The Versatile Locking Knob allows you to secure your Hi-Lift jack with a quality key-locking knob on your 4XRAC, LOC-RAC, or Hi-Lift Adjustable Tube Mounts.
Fits 1/2 inch bolt, 13 thread
Pair of keys included
Easy to install
Have a Hi-Lift Hood Mount? Check out the Hood Mount Locking Knobs.