Axia Alloys' all purpose mounts that can mount to your roll cage or roof rack.  

Sold individually in both small and large sizes so that you can mix and match them with what you would like to mount. These Small mounts hold anything from .625 inches to 1.375 inch.

Sold Each. This requires one Axia modular strap clamp.

Axia Alloys' Modular Roll Cage Strap Clamps are sold separately in a variety of sizes.