8-in-1 Screwdriver Users require a variety of tip types and sizes as they complete jobs.. The IRWIN 8-in-1 Ratcheting Screwdriver is compatible with standard double-ended bits, power bits, and insert bits for convenient bit replacement.. It has compact bit storage and a ratcheting feature that allows the user to turn the driver without stopping to adjust wrist position. Driver is compatible with double-ended bits, power bits, and insert bits for convenient replacement Compact, in-handle bit storage provides easy access to 2 double-ended bits, 1 insert bit, and 3 nut driver sizes 3-Zone Comfort Grip maximizes performance and increases comfort in high and low torque applications Ratcheting feature that allows the user to turn the driver without stopping to adjust wrist position. Fastener Drive Bits included: PH #1, PH #2, SQ #2, T25, SL 1/4 Nut drivers included: 1/4, 3/8, 5/16 1948774