SKIL 90942 Quick Change 42 Piece Drilling and Driving Set in Plastic Case Included quick change adapter allows for easy bit changes and fits all brands of drill drivers 15 twist drill bits ideal for drilling in wood can also be used for drilling in plastic and metal 14 insert bits meet all screwdriving needs for the most common screw heads Set also includes 6 nutsetters, bit holder, measuring tape and heavy duty case