The hook wrenches LOCKNUT-HOOK in accordance with DIN 1810-A are suitable for the tightening and loosening of locknuts KM on shafts, adapter sleeves and withdrawal sleeves, if no tightening torque is specified. The hook wrenches are suitable for locknuts KM0 to KM40. Special sizes are available by agreement. Hook wrenches can be used to mount rolling bearings on tapered shaft seats, on adapter sleeves and on withdrawal sleeves. Withdrawal sleeves can also be dismounted using hook wrenches together with the extraction nuts