Ko-Ken 18301M-55 1 Sq. Dr. Socket 55mm 6 point Length 108mm Thin walledGeneral Information Brand Ko Ken Tools Part Number 18301M 55 Product Type Sockets Packaging Bulk Country of Origin Japan UPC 4991644439539 California Residents Proposition 65 Warning Physical Characteristics Length 108mm Weight 1. 73 kg 3. 82 lb Details Wrench Type Thin Walled Socket Type 6 Point Size 55mm Features 6 Point Thin Walled Socket Input Drive Size : 1 Inch Output Size : 55mm Length : 108mm Made In Japan Drive Connector Size 1 Inch