Description
All bits in the set have a 1/4-inch hex shank for use with three-jaw drill chucks and hexagonal drill chucks. The extra hard set, 43-piece. Includes all standard drill bits and socket wrenches you need for screwing. The screwdriver bits are made of heat treated S2 modified steel for hardness and wear resistance. They are colour coded so you can find the right bit easier. The set is housed in a robust pick and click case so you can assemble your own tool box and keep your bits well organised and protected