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 collars.Used WithKeller ratchet drive wrenchWrench Size1/2Opening Shape6Wrench End TypeSocketWrench Body TypeStraightWrench VariationStandardDrive TypeExternal HexDrive Size1/2Head Outer Diameter0.68Overall Length3.37Fastener NumberBACC30M 