whalrace PMU Needles 1RL Microblading Cartridges 10-Pack, Sterile 1 Round Liner for Precise Brows & Eyeliner

Whalrace PMU Needles 1RL are single-use, stainless-steel microblading cartridges designed for precise lining and shading of eyebrows, eyeliners, lips and small tattoos.

These 1RL (1 Round Liner) disposable cartridges come in packs of ten and are built to pair with most snap-on permanent makeup machines. Made from medical-grade stainless steel and high-quality PVC, each needle is EO gas sterilized and individually sealed to maintain hygiene. The telescopic spring and rigid metal hub help deliver steady ink flow for clean, consistent strokes whether you are filling brows, defining liners, or tinting lips.

How do Whalrace 1RL cartridges perform on delicate areas like brows or eyeliner?

Whalrace 1RL cartridges are engineered for controlled, fine lines with minimal trauma. The single-round configuration concentrates pigment delivery, making it easier to draw hair strokes, crisp liners or neat lip borders.

• Single round needle for precise, hair-like strokes
• Sharp stainless-steel tip for clean entry and consistent pigment pickup
• Even ink flow reduces blotching and feathering
• Telescopic spring stabilizes needle movement for steady lines

Are these cartridges safe and sterile for client use?

Yes — each Whalrace cartridge is sterilized with EO gas and individually sealed to prevent contamination. The disposable design eliminates cross-contamination risk, and the materials are chosen to reduce irritation when used correctly by trained professionals.

• EO gas sterilized and single-use sealed packaging
• Stainless-steel needles and medical-grade PVC body
• Disposable to avoid reuse-related infections
• Clear breakaway design for safe removal after use

Will these cartridges fit my PMU machine and how easy are they to use?

Whalrace cartridges are designed to be compatible with most snap-on rotary PMU machines; the universal hub minimizes wobble and pop-outs. Both beginners and experienced artists report straightforward installation and intuitive handling thanks to the ergonomic cartridge shape and responsive spring.

• Snap-on compatibility with many popular PMU devices
• Secure hub prevents misalignment or needle popping
• Flexible for shading, lining and micro details
• Lightweight cartridge body for reduced hand fatigue

What needle sizes and pack options are available from Whalrace?

Whalrace offers a range of cartridge types beyond the 1RL to suit different techniques, from tight liners to soft shaders. Each type comes in packs of ten to keep supplies organized and ready for sessions.

• Available sizes: 1P/1R, 3P/3R, 3F/3FP, 5P/5R, 5F/5FP, 7P/7R, 7F/7FP
• Each pack contains 10 individually sealed cartridges
• Choose based on stroke thickness, shading density, or client needs
• Customer support from Whalrace for product questions or issues

Who is this for: These Whalrace 1RL disposable PMU cartridges are ideal for permanent makeup artists, microblading students, tattoo technicians doing small or cosmetic work, and beauty professionals who need sterile, reliable cartridges for crisp lining and precise shading. If you perform eyebrow hairstrokes, eyeliner definition, lip outline work or small tattoo details and require consistent needle performance with easy machine compatibility, these cartridges are a practical, hygienic choice.