This 44-piece drilling and screw driving bit set offers a variety of the most commonly used drilling and driving bits all in one kit. 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 bits organized and easy to access. Includes (1) magnetic insert bit holder/screw guide; 1 In. screwdriving bits: (6) Phillips, (3) Square, (6) Star, (6) Hex and (3) Slotted; 3 In. screwdriving bits: (1) Phillips & (1) Square; (16) gold-ferrous drill bits 1/16 In. - 15/64 In.