4X ER20 Collet Clamping Nuts for CNC Milling Chuck Holder Lathe

This collet nut is a great replacement for the broken part fit most tool holders. Precision ground and hardened. This listing is only for 1 collet nut. Package Contents: 4 x Collet Nuts Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.