XNET Trex Tattoo Cartridge Needles 20pcs 1RL 3RL 1RM 5RM Disposable Sterilized Safety Tattoo Needle for Cartridge Machines GripsSPECIFICATIONS Type: Tattoo Needle Quantity: 20pcs Origin: Mainland China Number of Pieces: One Unit Needles size 2: Round Magnum RM Needles size 1: Round Liner RL Needles pin: 0. 25 0. 3 0. 35mm Model Number: XNET Trex Brand Name: XNET Application B: Cartridge Grip Application A: Tattoo rotary pen