Function: 1 The strength produced after heat treatment and cold pulling hardening is relatively high, it is flexible and plasticizable 2. Mature technology, stability and reliability, and concentric accuracy of inner and outer cones is 0.015mm 3. Used for clamping tools such as milling machines, drilling machines, tapping, carving, CNC and spindle machines 4. The beveled edges are exquisitely made, and the spring collet has a bright appearance 5. This product is well made with high clamping force, very practical Specifications: Item Type: Spring Collet Material: Spring Steel Accuracy: 0.015mm Model: ER32 Height: Approx. 40mm / 1.6in Clamp Range: Approx. 7mm / 0.3in Package List: 1 x Spring Collet