Tattoo Liner Needles - Tattoo Liner Needles

Professional Tattoo Liner Needles for Precise Line Work

Liner needles are round configurations, individual needles soldered into a tight circular grouping. That tight arrangement is what makes rotary pen needles effective: the concentrated delivery point puts ink exactly where the artist intends, with line weight determined by needle count, diameter, and how tightly the grouping is held at the tip.

The mechanics of a clean line come down to three things working together: grouping tightness (how close the needles are at the tip), taper (how sharply each needle comes to a point), and diameter (how thick each needle is). A high-point solder paired with a long taper and 0.25mm diameter gives you the finest, crispest line possible with tattoo liner needles; the three variables compound each other.

Liner needles cover the full range of line work, 1RL for ultra-fine single-needle detail through to 14RL for bold traditional outlines. Beyond count, the configuration type itself changes what the needle does: Round Liners (RL) are the tightest grouping, Straight Round Liners (SRL) use a lower solder point for bolder lines and more ink delivery per pass, and Hollow Round Liners (HRL) remove the centre needle to deliver maximum ink with less skin trauma. The right liner depends on all three variables, not count alone.

Eikon's house brand liner lineup covers all three grouping types, RL, SRL, and HRL, across three diameters (0.25mm, 0.30mm, 0.35mm) and 13+ configurations per type, all with an internal Stabilisation System for true needle travel and reduced chatter. The Stabilisation System is what separates Eikon liners from most third-party options — not every cartridge brand includes it in their liner range, and the same applies when choosing magnum cartridge needles for shading: the quality you hold liners to is worth applying to the rest of your cartridge setup too. 

Types of Liner Needles: Round Liners and Configurations

Round Liner (RL) is the standard liner configuration: needles soldered into a tight circular arrangement with a high solder point that holds the grouping as close as possible at the tip. The tighter the grouping, the crisper the line. Eikon's RL lineup runs from 01RL through 14RL across 0.25mm (Purple), 0.30mm (Blue), and 0.35mm (Red) diameters.

Needle count determines line width within a configuration, but it is only half of the equation; diameter is the other variable. A 3RL in 0.25mm (bugpin) produces a finer line than a 5RL in 0.35mm. Artists who match both variables to their work have far more control over line weight than those who only think in counts.

Straight Round Liners (SRL) use a lower solder point than standard RL, letting the needles flare slightly at the tip, that looser grouping delivers more ink per pass and produces bolder lines than a same-count RL. Hollow Round Liners (HRL) go further: the centre needle is removed entirely, opening a well that holds more ink and delivers a bolder line with less total skin trauma than a same-count RL or SRL. The RL→SRL→HRL progression is a differentiator unique to Eikon's house lineup; Kwadron and Cheyenne do not carry SRL or HRL.

Cheyenne's Premium Round Liners feature a super-long taper grind and shortest soldering length for the tightest possible grouping, a different approach to line crispness than Eikon's SRL/HRL progression. Kwadron's liner range runs 0.25mm, 0.30mm, and 0.35mm across 50+ configurations. Lotus offers Medium Taper Liners, and an Ultra Small 0.20mm (#06 gauge) liner —the thinnest liner diameter Eikon carries, available exclusively through Lotus. TEX round liners cover the configurations James Tex uses most, primarily in 0.35mm.

Choosing the Best Liner Needles for Your Tattoo Style

1RL–3RL in 0.25mm (Purple) is the range for ultra-fine line work and single-needle detail. The combination of low count and bugpin diameter creates the smallest possible delivery point for the most controlled ink deposit. 0.25mm is Eikon's top-selling liner diameter, not a specialty choice.

5RL–7RL in 0.30mm (Blue) or 0.35mm (Red) covers most general lining and is versatile enough for portrait outlines, illustrative styles, and medium-bold work. At 7RL, the count hits the geometric efficiency peak: 1 centre needle + 6 outer needles in perfect circular packing. Most artists' everyday liner slot lands somewhere in the 5RL–9RL range.

9RL–14RL in 0.35mm (Red) for bold traditional work and fast outline coverage, the higher count drops more ink per pass across a wider line, fewer passes, faster coverage. For traditional bold outlines, more needle at once is the right call over chasing coverage with a smaller configuration.

Style recommendations are general starting points; every artist works differently and every tattoo has its own requirements. Artists who want bold lines with less trauma can often get the same result with a smaller-count SRL or HRL rather than stepping up to a larger RL, or by using a curved magnum extra for softer shading transitions. Configuration type and diameter are as relevant as the count number.

Understanding Needle Count and Gauge for Liner Needles

Needle count is the number of individual needles in the grouping, directly affecting line width and how much ink reaches the skin per pass. A higher count covers more width, lower count gives a tighter, more controlled delivery point.

Gauge is the diameter of each individual needle shaft. Eikon's liner range covers three diameters: 0.25mm (Purple, bugpin, Eikon's top-selling liner diameter), 0.30mm (Blue, mid-weight), and 0.35mm (Red, standard). A smaller diameter means a finer needle profile and a thinner line at the same count. When artists ask for bugpin, this is the diameter they're reaching for.

Count and diameter interact; they are not independent variables. A 5RL in 0.25mm produces a finer line than a 3RL in 0.35mm because the thinner diameter compensates for the additional needle count. Artists who work both dimensions have a wider range of effective line weights available without changing configuration type.

For the finest single-pass lines, go low on both (1RL–3RL, 0.25mm). For bold coverage and traditional linework, step up on diameter first (0.35mm), then count if needed. For a bolder line without stepping up in count, consider moving from RL to SRL within the same count, the lower solder point changes the delivery without adding needles.

Needle Taper for Liner Needles

Taper is the length of the sharpened point on each needle, and how gradually it comes to its tip. A longer taper creates a finer, sharper entry point into the skin. Long Taper is standard across Eikon's entire liner range (RL, SRL, HRL). The longer point reduces resistance at entry, which means a cleaner puncture, less trauma per pass, and the needle running with less chatter through different skin textures.

For liner work, Long Taper is the right call: precision and consistency matter more than speed of saturation. The long, sharp point gives the artist control over where ink goes with minimal skin disturbance, which is exactly what clean line work requires.

The only liner exception in Eikon's store is Lotus, they offer Medium Taper Liners as a distinctive configuration, the only brand at Eikon to do so. A Medium Taper has a blunter point that holds more ink at contact and pushes more pigment per pass, which some artists prefer for bold liner work where saturation speed matters. If you want to try medium taper in a liner configuration, Lotus is the option to reach for.

Taper does not affect ink reservoir capacity, ink flow is a function of tip design and housing geometry, not the needle's point geometry. What taper does affect is how the needle enters the skin and how much resistance it creates per pass.

Liner Needle Brands and Cartridge Options at Eikon

Eikon Cartridges—the house brand, the most competitively priced liner range in the shop ($27.95–33.95 CAD/box of 20). The only brand in the shop covering all three liner grouping types: RL, SRL, and HRL. Internal Stabilisation System in every liner for true needle travel and reduced chatter. Colour-coded by diameter: Purple (0.25mm), Blue (0.30mm), Red (0.35mm). 13+ configurations per liner type, Long Taper throughout.

Kwadron—50+ configurations across 0.25mm, 0.30mm, and 0.35mm. Round liners only (no SRL or HRL). Medical-grade plastic tips reduce friction between needle and tip, keeping needles sharper through longer sessions. E.O. Gas Sterilised. $32.09–72.75 CAD/box of 20. Kwadron is Eikon's most extensive third-party cartridge line.

Cheyenne Safety Cartridges—Premium Round Liners with a super-long taper grind and shortest soldering length for the tightest possible grouping. Cheyenne's patented safety membrane is built into every cartridge. Round liners only (no SRL or HRL). $32.20–40.60 CAD/box of 20. Cheyenne is also a machine brand Eikon carries; the Cheyenne pen + Cheyenne cartridge pairing is a trusted combination in the shop.

TEX Cartridges—designed by James Tex (world-renowned artist, Ink Master contestant). 316H steel (higher carbon content than standard 316L, known for durability and longevity). Precision-honed tips. Biodegradable blister packs. 37 configurations James Tex uses most, primarily 0.35mm. Among the most affordable cartridge brands in the shop($28.99–36.99 CAD/box of 20) — Canadian brand by Deadly North. 

Lotus Needles, Eikon is the exclusive Canadian distributor. Premium Japanese 316L stainless steel, individually checked at 99.8% perfection rate. Distinctive liner offerings include Medium Taper Liners, Ultra Small 0.20mm (#06 gauge) Liners, and bar needle liner configurations (Manawa Tapu Liner, Classic Liner, Fine Liner) available with Griffin Tubes for traditional setups. Positioned as "The World's Best Needles, crafted for the World's Best Artists", developed by working tattooers, not a manufacturer. $35.95–50.00 CAD/box of 20.

Cartridge liners swap in seconds on any pen-style rotary machine, go from a fine-line 3RL to a bold 9RL with a single pull and push, no tube change or needle assembly required. The bladder membrane inside each cartridge acts as the needle's return spring, pulling the needle bar back after each stroke for consistent recoil throughout the session. The sealed design also prevents ink and blood from reaching the machine motor, which meets sealed-system requirements where your local health board mandates them, check local rules for specifics. When working a traditional needles setup, Hydra Needles carry a full liner, shader, and magnum range, always pair with Griffin Tubes for any bar needle work.

How Cartridge Features Support Liner Needle Depth

Clear tips are standard on cartridge liner systems and serve a specific function: the artist can see the needle's extension and position relative to the skin in real time. Where traditional opaque grips required touch and experience to calibrate depth, a clear-tipped cartridge lets artists monitor extension directly and confirm the depth collar setting while the machine is running.

The depth collar on a pen machine sets how far the needle extends beyond the tip. Cartridge liner specs interact with that setting, taper length, needle diameter, and count all affect how the tip of the grouping sits at a given collar position. Artists dialling in a new liner configuration should start conservative on depth and adjust incrementally, not the other way around.

Practising on synthetic skin (practice skin) is how developing artists build the feel for depth before working on clients; it replicates skin resistance and layering without the stakes. Always practice with any new liner configuration, including when switching between RL, SRL, and HRL or between diameter options.

Liner needle depth is calibrated through practice and feedback from your specific machine and skin, there is no universal setting. Working with an experienced mentor is the fastest path to calibrating depth for different styles and skin contexts. Eikon's team can point you toward the right configuration as a starting point.

Cartridge Liner Needle Compatibility and Machine Selection

Cartridge liner needles are compatible with all pen-style rotary machines. Eikon carries tattoo cartridges from five brands: Eikon, Kwadron, Cheyenne, TEX, and Lotus, all designed for standard pen-machine grip sizes. If a cartridge feels loose or pops off, check the grip and machine tolerances first, it is usually a fit issue at the grip, not a cartridge defect.

Configuration specs affect how a machine drives a liner. Larger needle counts and wider diameters create more surface tension against the skin, a machine with more power headroom handles this without the artist needing to push. Artists using lower-powered machines with larger liner configurations (9RL+ in 0.35mm) may find it easier to drop the count or diameter rather than pushing the machine harder.

Eikon carries machines from FK Irons, Cheyenne, Bishop, S8, and INKLAB T7 AS, all pen-style rotary machines compatible with the standard cartridge format. The INKLAB T7 AS offers Speed Mode and Free Mode for artists who want fine-grained control over how the machine drives different configurations across a session.

Artists transitioning from coil machines and traditional bar needle setups can start with Hydra Needles and Griffin Tubes for liner work that matches their existing workflow before moving to cartridges. Eikon's Buy More Save More program, 10% off on 5+ boxes, applies across Eikon Cartridges, Hydra Needles, and Griffin Tubes.