For pricechoose optionsSelect Option 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm 19mm 21mm 22mm 7mm 8mm 9mm Quantity Add to Basket A professional, 3/8in Drive, hexagonal, metric deep socket produced in accordance with ISO 9000 and AS954 specifications for increased torque and reduced risk of rounding fasteners. Manufactured from chrome vanadium steel with a satin finish.