This 120-piece Drilling and Screw driving bit set offers a variety of the most commonly used drilling and driving bits all in one kit. 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 Magentic Force to hold fasteners securely. Includes convenient carrying case to keep your bits organized and easy to access. Patented, Bit Grip Magnetic Bit Collar holds screws securely for one-handed use, with 4X Magnetic Force An assortment of Phillips, slotted, hex and square bits as well as spade bits and gold ferrous drill bits.