The vonhaus 100pc torx hex bit set is just as indispensable to the professional tradesman as it is to the diy enthusiast containing a comprehensive selection of bits ideal for tackling a variety of jobsr r perfect for carrying out a range of repairs and adjustments in domestic industrial and automotive environmentsr r ideal for use with ratchet screwdrivers and electric screwdrivers including the vonhaus revolving screwdriver made from high quality chrome vanadium steel strong and durab