TOP Kogyo Standard Hex Key Wrench 4.0mm HES-40

• For various hex socket head bolts [Caution] • Choose a wrench that matches the hex size • Insert it fully to the bottom of the hex socket and use it while pressing it in • Do not use a wrench with a twisted or cracked hex section • Removing rusted bolts and similar may require more torque than the wrench can withstand • If it does not come off easily, stop working