Biotatum Royal Ak - Curved Magnum 0,35 Royal AK II Cartridge €7.00 Royal AK cartridges with safety membrane sterilized with ethylene oxide gas. Single use only, do not reuse. Easy to remove and put on. The membrane contained in the cartridges prevents blood and ink from reaching the Grip or the motor of your machine. Cartridges of different colors to differentiate RL and RS from M and CM.*With membrane.*Box with 10 units . View