Bits and Pieces - The Ultimate Multi Function Tool -12 Different Tools Are Contained Within This Compact Disc - Makes a Great Gift for the Do It Yourself Person in Your Life 12 Different tools are contained within this compact disc. Slide off the acrylic cover to reveal 2 screwdrivers, a knife, can opener, bottle opener, 4 position wrench, butterfly screw wrench, compass, nail remover, magnifier, LED flashlight and ruler. Includes key chain hole and function guide. Comes with 2 button batteries. Measures 3-1/4" in diameter.