Draper Expert Ball End Hexagonal Socket Bits, 3/8"" Sq. Dr., 9mm. This expert quality socket is fitted with a hexagonal bit and has an overall length of 70mm. The socket is manufactured from hardened and tempered chrome vanadium steel with a sand blasted bit made of S2 silicon steel. Each socket features a knurled ring for extra grip. Quantity included: 1 - Sold Individually.