This nut driver allows work on both 8mm and 5/16-in fasteners
A truly "universal" tool, the driver design allows work on multiple types of fasteners including metric/SAE 6-point, metric/SAE 12-point, spline, star, square, and most rounded out fasteners
The top of the handle accepts 1/4-in drive ratchet for more torque when tightening or loosening a fastener
Hollow shaft reaches over extended bolts
Handle is overlaid with textured rubber for better grip during use
