1Made of premium Carbon steel material, with high strength and hardness,durable in use 2Mount to your choice of backplate to use on a lathe. 3Can also be used as a fixture on a milling table. 4Standard production,a direct replacement of the broken one 5Make your products processed better, more efficient, more durable. Features: Made of premium Carbon steel material, with high strength and hardness,durable in useMount to your choice of backplate to use on a lathe.Can also be used as a fixture on a milling table.Standard production,a direct replacement of the broken oneMake your products processed better, more efficient, more durable. Specification: Material: carbon steel Accuracy: 0.005 Type(Optional) outer diameter inner diameter inner diameter of Collet outer diameter of Collet ER32-80m 80mm 55mm 28mm 50mm ER32-100mm 100mm 72mm 28mm 50mm Application: milling machine Package list: 1 x ER32 Collet Chuck