Kolpin Rhino Grip XLr DoubleDurable flexible grips that cushion and protect while providing a custom fit Independent grip arm adjustment for securing both large and small items such as: Rifles Shotguns ARs, Soft Gun Cases, Bows, Garden Farm Tools, Ice Augers, Hub Blinds and Shelters and Fishing Rods Dual Grip Mounting Beam Rotates 360 Thumb screw adjustment allows 360 rotation on mounted base Heavy Duty Base system provides secure mounting orientations for flat surfaces or 3 4"