All-in-1 multi-bit driver tool for 6 SAE nut sizes. Double-ended driver bits store conveniently inside the handle. 3-Zone Comfort Grip provides more control with low texture, high texture, and no texture zones for greater torque. Compact and easy to use. Includes 1/4", 5/16", 11/32", 3/8", 7/16", and 1/2".