Bondhus 11036 Set of 12 Balldriver Insert Bits, sizes 5/64-1/2-Inch
Balldriver® insert bits are designed for hand and power tools having 1/4" hex adapter.  Ideal for production and assembly operations where time is critical.  Insert bits are 1" long for sizes 5/64-1/4", and 1-1/2" long for sizes 5/16-1/2"