ITEM NAME:R8 ER25 Collet Chuck Morse Taper Holder Milling Chuck Description: The Collet set are Made of premium quality alloy spring steel, 0.0005 accuracy. Hardened and precision ground Precision collet chuck holder for professionals and hobbyists demanding. Available in the BT ER extension rod handle, can be used for clamping drill, milling cutter, straight shank tool. Collet must be assembled into the clamping nut before inserting into the chuck. Performance stability, high accuracy. Ease of operation and high quality work results. Packing Included: 1pc R8 Shank ER25 Collet Chuck. 1pc ER32 Hook Spanner Specification: Material: Alloy spring steel. Size: 16x5x5cm/6.3x2x2 in Package Includes: 1pc R8 ER25 Milling Chuck Holder 1pc Hook Spanner Note: 1. Color might be slightly different due to the color calibration of each individual monitor. 2. Please allow the tiny measuring deviation due to manual measurement. SKU: FUZ0025027760028890.1pc ER32 Hook Spanner. 1pc R8 ER25 Milling Chuck Holder. Precision collet chuck holder for professionals and hobbyists demanding. The Collet set are Made of premium quality alloy spring steel, 0.0005 accuracy.