High-performance BIGWASP® Premium Cartridge Needles boast exclusive anti-roll settings and medical-grade plastic cartridge tips for optimal stabilization and minimized vibration. Crafted with 316L stainless steel, these needles are 100% sterilized with E.O. Gas and work with all types of cartridge grips and Cheyenne Hawk machines. Enjoy improved visibility with the addition of a light clear color tip body. Diameter and taper specifications: #04=0.18mm; #06=0.20mm; #08=0.25mm; #10=0.30mm; #12=0.35mm.