1、Quick Release Clamp: The shovel mounting for the roof rack is made of heavy duty rubber material, flexible at low temperatures, UV resistant, able to withstand up to 26 pounds, and can endure extreme temperatures. 2、Simple Installation: Installing the roof rack shovel mount is as easy as drilling and tightening screws. Just find a 3/16 inch bolt or screw to install, and this rubber clamp can be easily secured onto a flat surface. 3、Adjustable Diameter: The rubber clamp can be adjusted between 30 to 40mm, suitable for shovels, axes, fire extinguishers, and other agricultural equipment. 4、Versatile Application: The quick release clamp is widely used for off road vehicles, UTVs, ATVs, emergency vehicles, work trucks, race car trailers, boats, and trains, as well as perfect for marine use without rusting or corroding. 5、Easy Mounting: The rubber clamp fixing bracket is easy to install, either by drilling onto a flat surface or using pipe clamps and round roll bars installed on a UTV. 4 x Shovel Mount 4 x Washer Item Type: Rubber Clamp Mounting KitMaterial: RubberClamping Range: Approx. 30 to 40mm / 1.18 to 1.57inWeight Capacity: Approx. 11kg / 24.3 lb/eachAdjustable Gears: 5 gears