1Set ER11 C6 ER11M 60L Extension Rod Extension Bar Straight with ER11 7Pcs Collet with ER11A Nut

Built in self-Release design and tools will never get stuck in holder.Widely used boring milling drilling silk attack sculpture CNC and other processing. Use with any standard ER collet chucks for coolant-thru tool applications.Each collet is well packed in separate protective container with label. Hardened and precision ground.Performance stability high accuracy.Durable in use. Name:Extension Rod with Collet Color:black+silver Material:40CR Package Contents: 1* C6 EXTENSION ROD 7* ER11 spring collet Only the above package content other products are not included. Note: Light 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.