le and Reliable Tools

【FITS SIZE】55-62mm (2.17-2.44 inch). 【】Forged with high carbon steel hardness up to 40-45 degrees not easy to break and has long service life. 【DESIGN】Unique unibody design with phosphating finish excellent shape spanner for round ER chuck nut. 【USAGE】Hook 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 HOLE】Wrenches could be hang on the wall by the the hole at button which also makes it portable and stored.