Brand: Ultra Grip Size: 1.25" Inch Grip Material: Stainless Steel & Aircraft Grade 6061-T6 Aluminum Needle: Cartridge Needles Only Autoclavable: Yes and can be sterilized, this grip uses aluminum grip guide & backstem. It also does not have a ratchet disc, it uses bearing balls. Items Included: (1) 1.25 Ultra Cartridge Grip, (3) 3 Plungers (8.5cm, 9cm, 9.5cm) Key Features: - Heavy and Durable Stainless Steel weight of 7.7 oz - - Aluminum grip guide & backstem - - No more ratchet disc, this grip use balled bearing to control the turning. - - Tool-less disassembly allows for safe sterilization, compatible with autoclaves and cold sterilant methods -