#10 gauge or also know as BUG PIN
EZ Revolution Tattoo Needle Cartridges
--Compatible with ALL cheyenne types cartridge system machines and grips.
--100% EO Gas Sterilized and individually packaged.
--Needles made of 316 medical grade stainless steel.
--Medical grade plastic tips.
--20 Needles per box
I love these needles my black and grey work has improved heaps since using them