Description of AeroPro Shaped Rafter Aluminum Fitting
Fits Pneumatic Tools with 1/4 inch and 3/8 inch NPT Fitting. Hook nail gun on your tool belt to reduce tool damage and free up hands. Quick and simple install. Hole: 1/4 inch & 3/8 inch. Included: 1/4 inch NPT adapter.
They are quite large, about 3 3/4" from the center of the hardware to the inside of the hook. Pretty hard mode. I think I could do it cut it off and drill a new hole and it would work great I'll have to use it and see how it works.