Step 1: Materials
A scrap piece of ¾ in plywood (7x10 in was the size that worked for my compressor)
A roll of steel suspension strapping
8 - ¾ in wood screws
3 - 1½ long ¼ in bolts
3 - ¼ in lock nuts
3 - ¼ in flange washers
Step 2: Cut strapping for clamps
the length you need depends on the thickness of the handles of the compressor. Cut strapping so you have enough to bend around handle to attach to plywood base.
I made mine 2½ inches long.
Use the handle to form clamps.
Step 3: Plywood base to mount to handle
Measure the width of the handle and subtract the diameter (of the tubing the handle is made of) and this will give you centre measurement of the two sides of the handle.
Now you can mark reference lines on the plywood.
Dry fit the clamps and mark out screw holes BUT don't attach to the handle yet.
Step 4: Holes for the retractable air hose base
Take your piece of plywood and clamp it into your Jawhorse (If you don't have a Jawhorse you should get one they're awesome).
Take the base of the retractable air hose (most are removable from the main reel) and centre it on top of the plywood to mark out the holes for the three mounting bolts. Pre drill the holes.