Bases mount in any position on your ATV - the rotating holders can swivel a full 360 degrees to find the best position for your guns and gear. Easily and quickly mounts to ATV racks, including most composite racks or to any round or square bar or handlebars. Can be adjusted to non-parallel positions for use on the front or back of ATV. Set screw prevents unwanted movement of holder on round bars. Lock the holder into place, and it secures your gun through bumps and brush! Nylon construction lasts; simple installation with stainless steel hardware included.