8mm Collet Extension Chuck Holder Extender for 8mm Collets

Description: High precision stable performance. Durable and practical to use. 8mm diameter for 8mm collets. With ER-16 clamp head 88mm overall length Make you more efficient to process products. Material: harden . Specification: Material: Hardened Specific Size as the picture shown Package Includes: 1 Piece Extension Rod