This set includes a wide variety of both driver bits and drill bits as well as a selection of accessories to help assist in a number of drilling and fastening applications Precision machined tips with superior fitment for full contact fit and longer life Performance optimized steel construction for extended life Calibrated heat-treating process for added durability The Makita Maccess Accessories include: 7 x HSS-R metal drills, 5 x Masonry drills, 5 x Brad point drills, 1 x Countersink, 25 x Screw bits (25 mm), 3 x Nut setters, 1 x Magnetic bit holder The unsurpassed quality and reliability of Makita power tools and other products have earned them the trust of customers in markets around the world.