PurposeTo adapt keller ratchet drive wrench to a multiple of BACC30M collar sizes without changing the basic size of wrench and to reach into offset positions. This tool is also used for HL70 HI-LOK collars and BACC30BH collarsUsed WithKeller ratchet drive wrenchWrench Size1/2Opening Shape6Wrench End TypeSocketWrench Body TypeStraightWrench VariationReduced DiameterDrive TypeExternal HexDrive Size7/16Head Outer Diameter0.68Overall Length2.37Fastener NumberBACC30M 