HAWINK 18RL Tattoo Needles Cartridge 20Pcs Round Liner - Smooth Lines

In this review of the HAWINK 18RL Tattoo Needles Cartridge 20Pcs, the bottom line is simple: these cartridges are best suited for artists looking for consistent round liner performance and a sterile, ready-to-use option. The review focuses on build quality and real-world handling - the needles use a 316 surgical grade stainless steel tip and a membrane-equipped cartridge that prevents ink leakage, which is the single biggest reason many professionals will consider them. They arrive individually packaged and 100% EO gas sterilized, making them practical for busy shops.

Key Features

• Surgical grade tip: The needle tip is made from 316 surgical grade stainless steel to help maintain sharpness and reduce corrosion risk during use.
• Leak-prevention membrane: An internal membrane prevents ink backflow into the tube and machine, improving cleanliness and reducing maintenance.
• Transparent bevel tip: The translucent and bevel tip makes it easy to observe needle strikes and track ink flow for cleaner lines.
• Medical-grade materials: The cartridge housing and components are made from medical grade plastic and high quality silicone for resilience and safer use.
• Pre-sterilized and packaged: Each cartridge is 100% EO gas sterilized and individually packaged, ready for immediate use in client sessions.
• Wide compatibility: Compatible with most rotary and coil machines as well as common grips, which simplifies inventory for studios.

Who It's For

These HAWINK 18RL cartridges are aimed at tattoo artists who need a reliable, pre-sterilized round liner that offers clear visual feedback during lining work. They are particularly useful for artists who value a membrane to prevent ink leakage and those who work in busy settings that require individually packaged needles for hygiene.

Less experienced hobbyists or artists who require an ultra-specific needle geometry for custom shading rigs might want to compare performance on practice skin first, since some users report mixed results with functionality and needle stability on differing setups.

Pros & Cons

Pros

• High quality 316 surgical steel tip offers reliable edge retention for clean lines.
• Membrane design reduces ink backflow and improves machine hygiene.
• Translucent tip and bevel allow easy observation of needle strikes and ink flow.
• Individually EO gas sterilized packaging provides studio-ready convenience and safety.

Cons

• Some users report mixed functionality and occasional needle wobble depending on machine setup.
• Pack configuration mentions a box of 50 while this listing is for 20pcs, which may confuse buyers checking pack counts.

Specifications

Product name	HAWINK 18RL Tattoo Needles Cartridge 20Pcs
Needle type	Round Liner (18RL)
Needle tip material	316 surgical grade stainless steel
Cartridge material	304 stainless steel except needle tip; medical grade plastic
Sterilization	100% EO gas sterilized, individually packaged
Leak protection	Built-in membrane to prevent ink leakage
Compatibility	Compatible with most rotary/coil machines, hawk machines and grips

Our Verdict

The HAWINK 18RL cartridges are a solid option for professionals who need sterile, easy-to-use round liners with good visual feedback and ink leak protection. They deliver good value if your setup is compatible and you prioritize hygiene; artists should test them on practice skin first to ensure needle stability on their specific machine.

Frequently Asked Questions

Are these cartridges sterile and ready to use?
Yes. Each cartridge is 100% EO gas sterilized and individually packaged for immediate studio use.

Will these fit my machine?
The cartridges are compatible with most rotary and coil machines and common grips, but test for a snug fit before client work.

Do they prevent ink leakage?
The built-in membrane is designed to prevent ink backflow into the tube and machine, improving cleanliness during sessions.