Makita B-51661 Contractor Bit Set (66 Piece) Includes spade bits, brad point bits and metal drill bits for a variety of drilling applications Includes a variety of insert bits, power bits and nutsetters for a range of fastening applications Smaller, more portable case inside with color coded insert bits and a bit holder for added convenience Power bits are packaged in a convenient re-closable plastic container for maximum portability Top tray insert features specific holders for the bits, the secondary insert below allows the user to store additional items with ease