20 piece set of tattoo cartridge needles with standard size #10 and 0.30 mm diameter - Individual packaging: each needle is separately wrapped for hygiene and single-use disposal - Hygienic design: single-use assembly ensures a high standard of cleanliness - Pre-sterilized with EO gas: all needles come pre-sterilized - Easy to use: remove the paper cover from the plastic blister before use - Leakage protection: cartridges include a membrane to prevent ink from seeping into the tube or machine - Clear housing: the transparent design makes it easy to observe needle alignment - High quality materials: needle tip made from 316 stainless steel; the needle body is 304 stainless steel - Individually packaged: each needle is packaged separately - Sharp and clean finish: tip is clean, bright, and sharp - Compatibility: works with all standard cartridge holders and machines - Satisfaction guarantee: 100% money-back if you are not satisfied; full replacement or refund for all products, no reason needed Use scenarios - Professional line work in tattoo studios requiring precise, sharp #10 needles for clean outlines - Busy shops needing ready-to-use, sterile cartridges to minimize downtime between clients - Traveling artists or mobile studios that require compact, individually sealed needles for on-site work