Screwdriver home bit set this screwdriver home bit set is a 33 piece screwdriver bit set is an ideal accessory for cordless screwdrivers and drills with variable speeds complete with a compact pocket sized retainer keeps bits organized and ready for use set screw driver 33 piece 60mm magnetic bit holder ideal accessory for cordless screwdrivers and drills variable speed drills and screw guns compact holder rolson warranty 33pc