The black and decker a7152 is an ideal 35 piece accessory set for driiling wood and metal application all the components are stored in a light and easy to carry storage case with clear lid for easy visability ideal for diy application assorted drill and screwdriver bits consists of 9 x titanium metal drill bits 2 x 15 2 x 2 3 35 4 45 58 x steel drill bits 4 5 2 x 6 2 x 7 2 x 86 x 3 point drivers 3 4 5 6 7 810 x 25mm screw bits1 x magnetic bit holder1 x screwing stopper