High Quality ER Spanner Wrench 

High Quality Er Spanner Wrench for Collet Chuck Tool Holder,Cnc Spanner is the use of leverage wrenching bolts, screws, nuts and other threaded fasteners hand tools. Wrench usually made one or both ends of the handle opening or aperture sets of clamping bolts or nuts. When applied to the use of the direction of rotation along the threaded shank force can wrenching bolts or nuts.  Collet Wrench Basic Info Model NO.: spanner Material: Cast Iron Size: Common Working Mode: Manual Handle Color: Metallic Hardness: HRC44-48 Transport Package: Plastic Box Type: Combination Wrench Standard: Metric Surface Treatment: Cryogenic Treatment Feature: Ordinary Folded: Unfolded…