PurposeFor installation of miniature self-locking nutsWrench VariationDouble EndWrench Size1-5/8Opening Shape12Wrench End TypeBox EndWrench Body TypeOffset-LDrive TypeInternal SquareDrive Size1/2Center-to-Center Distance4.50Head Thickness0.45Second Wrench End TypeBox EndSecond Wrench End Size5/32Second End Opening Shape6Used WithTorque WrenchOffset Height2.50Second End Head Thickness0.19