FITS SIZE22-26mm (0.87-1 inch).. MATERIALForged with high carbon steel, hardness up to 40-45 degrees, not easy to break and has long service life.. DESIGNUnique unibody design with phosphating finish, excellent shape spanner for round ER chuck nut.. USAGEHook spanner is designed to drive spanner head screws, threaded rings and shafts. Exact fit reduces the risk shaft, nut and housing damage. Suitable for machine tools, automobile, mechanical equipment.. HANGING HOLEWrenches could be hang on the wall by the the hole at button, which also makes it portable and stored..
