Bosch X30Ti 30pcs X-line Bit Set Bosch X30Ti is the unique combo kit of drill bits for wood, metal & masonry and screw driver bits in a bequtiful plastic case easy to carry along with the drill.   Contents of the kit: HSS-Titanium coated - metal drill bits: diameter 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5. 5.5, 6, 6.5mm Masonry drill bits: 4, 5, 6 & 7mm  Wood drill bits: 4, 5, 6 & 8mm  Screwdriver bits: L = 25mm  Philips (PH) 1, 2 & 3  Pozidriv (PZ) 1, 2 & 3  Slotted (M) 4 & 6 mm  Torx (T) 20 & 25  Universal holder magnetic  Countersink (chambering of holes for conical headed screws) Unique plastic carry case   Applications: For drilling holes in the metals like steel, aluminuium, copper etc., For drilling holes in the Wood, Plastic & Laminates  For drilling holes in the metals like Concrete, Masonry, Brick wall etc., To be used with a corded drilling machine or cordless drill driver Drill bits having straight shank to be tightened in a chuck. Screw driver bit s having Hex shank for fixing with chuck or bit holder    Note This comes with a plastic container to hold drill bits & driver bits sercurly in place.  This does not include any drill machine or screw driving handle in it or the case does not fit for any other objects.