expert quality, comprising a driver, adaptor & a selection of 1/4" insert security bit types generally available on the market. The draper tx-star & hexagonal bits have a hole drilled in the bit to take the pin of the security fixing. The insert bits (25mm long) are manufactured from s 2 steel hardened & sand blasted. Bit holder made from aluminium with chrome vanadium steel shaft. Packed in a handy plastic storage case..