Cartridge Tension Controller Grip by Martin Pintos

· This REVOLUTIONARY grips works like a magnet that attracts and repels the cartridge. · Controls the tension generated by the cartridge membrane, that's why this is not a normal cartridge adapter. · Compatible with all transversal rotary machines that needs an extra help working with cartridges. · Made of surgical steel covered with a fully sterilizable Red Rat which can also be covered. · Sizes: 32mm / 32mm Taper / 45mm · It's very important that you only use the gromets we sent with this grip. In case you need more, you can get them at Lucky Supply. How do I know what size of grip I need?