Ryobi A98901G 90 Piece Drilling and Driving Kit for Wood, Metal, Plastic, and Masonry BLACK OXIDE DRILL BITS: 21 of these to help with your hole-boring needs MASONRY BITS: Used for drilling into brick, block, and mortar HOLE SAWS: 4 of these included to help boring large holes for locks or other applications FASTENER BITS: 27 bits are included for driving in fasteners. There is also a magnetic bit holder to hold these STORAGE BOX: The plastic carrying case comes with a locking system and labeled compartments to keep your bits organized upon purchase