Turbo Round Liner Tattoo Cartridges for Fast, Bold Lines
R&G Bio manufactures turbo round liner tattoo cartridges for distributors, studios and brands who want bold, saturated lines at higher speed — with less dipping and less skin trauma.
The center needle is set slightly back, leaving an open ink channel in the middle of the grouping. The channel works as an ink reserve: the needle dips less often, feeds steadily and fills bold lines faster than a standard round liner. Sizes 3RL–14RL in #08, #10 and #12.
Every cartridge is EO gas sterilized, batch-coded for full traceability, and produced in ISO Class 7 cleanrooms under an ISO 13485 quality system. Review our certifications and compliance documents and see how we manufacture before you place a bulk order.
We support full OEM/ODM programs — housing colors, private labeling and custom packaging built around your brand, with factory-direct MOQs and tiered wholesale pricing.
Model Reference
For example – 0803TRL
08 – Needle Diameter (Gauge)
03 – Needle Count
TRL – Needle Configuration
Needle Diameter (Gauge)
08 = #08 (Standard, approx. 0.25 mm)
10 = #10 (Standard, approx. 0.30 mm)
12 = #12 (Standard, approx. 0.35 mm)
Needle Count
03 / 05 / 07 / 09 / 11 / 14
Needle Type
RL = Round Liner
RS = Round Shader
M1 = Magnum (Double Stack)
RM = Round Magnum
CM = Curved Magnum
F = Flat Shader
RLT = Textured Round Liner
TRL = Turbo Round Liner
STL = Super Tight Liner
#08 SERIES · 0.25MM BUGPIN — FINER TURBO LINES WITH STEADY FLOW
|
MODEL |
GAUGE |
TAPER |
NEEDLE COUNT |
MEMBRANE |
STERILIZATION |
FIT |
TYPICAL USE |
|---|---|---|---|---|---|---|---|
|
0803TRL |
#08 · 0.25mm |
Customizable |
3 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Fine fast lines, small detail outlines, delicate script |
|
0805TRL |
#08 · 0.25mm |
Customizable |
5 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Fine-to-medium outlines, small traditional pieces |
|
0807TRL |
#08 · 0.25mm |
Customizable |
7 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Medium outlines with soft deposit, gentle on sensitive skin |
|
0809TRL |
#08 · 0.25mm |
Customizable |
9 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Medium-bold lines and small fills on detailed designs |
#10 SERIES · 0.30MM STANDARD — THE EVERYDAY TURBO RANGE
|
MODEL |
GAUGE |
TAPER |
NEEDLE COUNT |
MEMBRANE |
STERILIZATION |
FIT |
TYPICAL USE |
|---|---|---|---|---|---|---|---|
|
1003TRL |
#10 · 0.30mm |
Customizable |
3 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Fine lines with steady flow, lettering details |
|
1005TRL |
#10 · 0.30mm |
Customizable |
5 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Clean medium outlines, fast one-pass work |
|
1007TRL |
#10 · 0.30mm |
Customizable |
7 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Everyday bold outlines, traditional and lettering work |
|
1009TRL |
#10 · 0.30mm |
Customizable |
9 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Thick outlines plus filling small tattoo elements |
|
1011TRL |
#10 · 0.30mm |
Customizable |
11 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Heavy outlines and solid small shapes, fast sessions |
#12 SERIES · 0.35MM STANDARD — MAXIMUM FLOW, HEAVIEST TURBO LINES
|
MODEL |
GAUGE |
TAPER |
NEEDLE COUNT |
MEMBRANE |
STERILIZATION |
FIT |
TYPICAL USE |
|---|---|---|---|---|---|---|---|
|
1203TRL |
#12 · 0.35mm |
Customizable |
3 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Strong fine-to-medium lines with fast ink flow |
|
1205TRL |
#12 · 0.35mm |
Customizable |
5 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Bold everyday outlines, old school work |
|
1207TRL |
#12 · 0.35mm |
Customizable |
7 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Classic bold outlines, fast fills of small elements |
|
1209TRL |
#12 · 0.35mm |
Customizable |
9 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Heavy outlines, blackwork borders, large lettering |
|
1211TRL |
#12 · 0.35mm |
Customizable |
11 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Very bold borders and fast solid fills on medium areas |
|
1214TRL |
#12 · 0.35mm |
Customizable |
14 |
Yes |
EO Gas · ISO 11135 |
Universal cartridge grip |
Maximum-width turbo lines, large-scale bold work |
Built Like a Medical Device, Priced for Wholesale
We control every step in our own factory, from needle grinding to sterile packing. Here is what goes into each turbo round liner cartridge.
01 Recessed Center Channel
The center needle sits slightly back from the tip point, leaving an open channel in the middle of the grouping. This channel stores ink inside the cartridge and feeds it steadily to the outer needles — fewer dips, faster lines, less trauma.
02 Safety Membrane System
A medical-grade elastic membrane sits inside every cartridge. It keeps needle tension steady during long lining sessions and stops ink and body fluids from flowing back into the grip and machine.
03 Polished 304 Needle Tips
We use Japanese-imported 304 surgical steel with mirror-polished tips. Smooth, sharp points mean clean penetration and less friction in the skin. Each grouping is soldered by machine, so the recessed center is identical across every batch.
04 Medical-Grade Housing
The shell is medical-grade polymer with a clear tip, so artists see the ink channel working while they line. Low-friction inner walls keep the needle stable. The standard fitting works with most rotary machines and cartridge grips.
05 EO Gas Sterilization
Every cartridge is sealed in its own blister pack and sterilized with EO gas. Our sterilization process is validated under ISO 11135, with batch records kept for full traceability.
06 Two-Stage Quality Control
Every unit passes 100% visual inspection on the line. Then 30% of each batch is checked again under 100x microscopy for tip alignment, solder quality, and center-channel depth.

Why the Open Center Matters
In a standard round liner, every needle meets at one point. Ink rides on the outside of the grouping and runs out fast. In our turbo liner, the recessed center needle opens a channel that acts as an ink reserve. The outer needles stay fed through the whole stroke, so lines stay bold from start to finish with fewer dips into the cap. Less dipping also means fewer interruptions, steadier hand speed, and less trauma on the skin — which is why traditional artists call this the fast liner.
Where Turbo Liners Work Best
One job: bold, saturated lines at higher speed. If the style is outline-driven and time matters, this is the needle.

Traditional & Neo-Traditional
Old school outlines must be bold in one pass. The ink channel keeps outer needles fed through long strokes, so corners and curves stay as dense as straight lines.

Filling Small Elements
Turbo liners do double duty: they outline and they fill. Small solid shapes — hearts, stars, dots of color — pack fast without switching to a shader.

Lettering & Script
Long letter strokes punish any drop in ink flow. The center channel keeps saturation even from the first stroke to the last, with no dry tails.

Blackwork & Long Sessions
Less dipping means steadier speed and fewer passes over the same skin. On big blackwork borders, that adds up to shorter sessions and easier healing.
Small Number, Fine Fast Line. Big Number, Bold Line Plus Fills.
Needle count sets the line width — and how much the turbo channel can fill. Match it to the job.
3TRL – 5TRL
Fine fast lines, script, small details
7TRL – 9TRL
Everyday bold outlines, small fills
11TRL
Heavy outlines, solid small shapes
14TRL
Maximum-width lines, large bold work

Turbo Round liner vs Standard Round liner
Same round grouping, same fit. The difference is the center needle — and what the open channel does with ink.
|
TURBO RL |
STANDARD RL (TIGHT) |
|
|---|---|---|
|
Grouping |
Slightly looser, center needle recessed |
Tight, all tips in one point |
|
Ink Storage |
Open center channel holds extra ink |
Ink rides on the needle surface only |
|
Dipping Frequency |
Less often |
More often |
|
Line Result |
Bold, fast, stays saturated |
Tight, crisp, maximum control |
|
Skin Trauma |
Lower per session — fewer passes |
Low with proper technique |
|
Best For |
Bold outlines, lettering, small fills, fast work |
Fine lines, micro detail, precise linework |

Our Certifications
R&G Bio is an integrated manufacturer with verified FDA registration, ISO 13485 / ISO 9001 certification and EU RoHS compliance — the documentation your market actually requires.
Wholesale & OEM Programs
Factory-direct supply with full batch traceability. Tell us your sizes and target volume — we reply within 12 hours with a full quotation.

MOQ from 1,000 pcs
Standard sizes start low; mixed sizes allowed in one order.

Tiered Factory Pricing
The more you take, the lower the unit cost. Full price ladder with every quotation.

Fast Lead Time
Standard sizes ship from running production; OEM timelines confirmed with your quote.

Private Label & OEM
Your brand, built on our production lines — in-house design and engineering support.
Qualified B2B buyers can request a free sample kit before committing to an order.
FAQs
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Find Expert insights
About R&G Bio
Built on Precision.
Trusted Globally.
Where Precision Meets Medical-Grade Standards
ISO 13485 certified facility with ISO Class 100,000 cleanrooms. 316L surgical steel, complete traceability.
End-to-End Manufacturing Control
From needle configuration to sterile packaging, every step is precision-controlled with automated assembly and batch tracking.
Meeting International Regulatory Standards
CE Mark, FDA Registered, KFDA Approved, ISO 13485, RoHS Compliant. Full documentation for global market entry.
Trusted Tattoo Needle Manufacturer Since 2009
15+ years serving 50+ countries with premium cartridge tattoo needles and flexible OEM/ODM solutions.
OEM / ODM SERVICES
Contact us for wholesale pricing and custom configurations
Get In Touch
Request a Quotation
Tell us about your requirements and our team will respond within 24 hours with a detailed quote including pricing, lead times, and customization options.














