Ko-Ken 4405M-41 1/2 Sq. Dr. Socket 41mm 12 point Length 57mmGeneral Information Brand Ko Ken Tools Part Number 4405M 41 Product Type Sockets Packaging Bulk Country of Origin Japan UPC 4991644076260 California Residents Proposition 65 Warning Physical Characteristics Length 57mm Weight 0. 47 kg 1. 04 lb Details Wrench Type Socket Type 12 Point Size 41mm Features 12 Point Socket Input Drive Size : 1 2 Inch Output Size : 41mm Length : 57mm Made In Japan Drive Connector Size 1 2 Inch