MIBRO 880130 BitBull Drilling and Driving Set in Magnetic Storage System, 90 Pieces Magnetic storage system; 90-piece set with 13 removable trays The most user friendly and efficient way to store and use power tool accessories Kit contains 31 titanium drills, 7 super masonry drills, 7 brad point drills, 5 WHIZZZ spade bits, 4 nut setters, 16 screwdriver bits, Magnetic holder, 5 depth stops, 8 doweling cntres, 4 hole saws, hex key, mandrel, plus 2 storage containers Customer satisfaction guaranteed