- Automatically fits 15 different nut and screw sizes
- Hex head adjusts to the proper size as you turn it
- Will drive or loosen hex nuts from 1/4" (6.4 mm) to 7/16" (11.1 mm), hex-head screws from No. 6 to 1/4" (6.4 mm), and socket-head cap screws from No. 8 to 5/16" (7.9 mm)
