1 [WIDE APPLICATION] The extension tool holder is mainly used for lathe, drilling machine and milling machine processing. 2 [HIGH CARBON STEEL] Made of high carbon steel material, with high hardness and wear resistance, not easy to deform. 3 [VACUUM HARDENING] Advanced vacuum hardening helps increase the hardness of the tool holder and enhance the shock resistance ability. 4 [STANDARD SIZE] The extension rod has standard size, easy to disassemble, and can easily install various drills and reamers, etc. 5 [WITH WRENCH] Equipped with a wrench, easy to operate and stable in clamping, suitable for ER11 collet.

What's in the box
1 x ER11 Tool Holder