Kolpins Rhino Grip Pro is their toughest universal mount yet. Cast aluminum mounts coated with protective rubber overmolding that absorbs shock and provides a secure grip. Rotate and tilt the mounts to custom-fit your gun, bow, ice auger or yard tools so you know the hold is strong. Universal mounts fit roll cages and racks with 5/8 to 2-dia. tubes or flat, drillable surfaces. Includes rubber securing straps. Per 2. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.