The SKIL 50-piece screwdriving bit set offers an assortment of the most commonly used screw driving bits for a variety or projects. Plus the patented, Bit Grip™ Magnetic Bit Collar holds screws securely for one-handed use. Simply slide the collar onto a 2 IN. impact bit for 4X Magnetic Force to hold fasteners securely. Includes convenient carrying case to keep your bits organized and easy to access.