ER M Type Clamping Nut Wrench CNC Collet Chuck Wrench Spanner ER20 UM ER20-UM✈
Item Type: Clamping Nut Wrench. 1 x Clamping Nut Wrench. Suitable for nut rotation of ER type shank, arbor and extension rod. The handle is designed to hold the wrench tightly and saves effort during use.