5+5 sets of 3/8" and 1/2" Square drive socket retainer rings with O-Ring3/8" and 1/2" square drive electric wrench and pneumatic wrench are suitable for this kitCompatible with any 3/8" and 1/2" Standard Impact WrenchCompatible with any Pneumatic 3/8" and 1/2" Standard Impact WrenchInclude: 5 x 3/8" rings with O-ring and 5 x 1/2" rings with O-Ring 3/8" of 1/2" Impact Retaining Ring Wrench Socket Clip with O-Ring fits Milwaukee Type Wrenches Square Drive Socket Retainer Ring
