£7.90 inc VAT This Teng ½ inch square drive socket converter has a T handle hole facility manufactured from chrome vanadium steel with a satin finish and DIN 3123A standard.The Adaptors provide added versatility to socket sets by enabling sockets to be interchanged and used with accessories from other drive sizes. Specifications: 1/2in Female to 3/8in Male.Length: 40mm. Add to Basket Quantity