DeWalt DT71566-QZ Combination Drill BIT Set 100 Piece Set DeWalt high speed steel drill bit set comes with 100 pieces and can be used with general purpose drilling and screwdriving. All pieces are compatible with hand braces power drills, and organised in a carry case. Description: Combination set of both drill and screwdriver bits Includes bits suitable for drilling in metal, wood, plastic and masonry Contains most sized bits for screwdrivers Tough plastic storage case Holds bits securely It has various shank sizes Include: 5x bradpoint wood bit, 12x metal drill bit, 7x masonry drill bit, 2x holesaw bit, 1x mandrel bit, 3x nut driver, 1x countersink, 1x magnetic screwdriver bit holder, 15x 50 mm screwdriver bit, 45x 25 mm screwdriver bit 5x accessory holder.