Impact Control universal holder with quick release for easy bit change and extra firm fit for general screw work. The Impact Control Universal Holder Quick Release allows quick and easy bit change as well as a strong hold for general work. In addition, a permanent magnet ensures the bit stays in place firmly and securely. It also features a quick-change function, which allows quick and easy bit changes as well as a strong hold on the bit. The universal holder is ideal for all mounting work with power tools. It has a 1/4-inch hex shank for use in standard cordless screwdrivers and impact wrenches with a 1/4-inch tool holder. The Bosch Professional Pick and Click System allows you to assemble accessory sets individually and thus offers flexible bit ranges. Different packs can be swapped safely and easily with the integrated snap inserts.