Strong Aluminum alloy Tube Clamp ONLY Fits 1.5 inch (1-1/2") diameter round bar 4 piece black tube clamp mounting brackets Designed to mount lights and many other accessories work on Trucks Boat Motorcyle bicycle ATV UTV and other vehicle Bull Bar House Tuning Aluminum Tube Clamp Mounting Kit simplifies installation for light bars ,Fog Light,Work Light and LED Driving light onto your roof rack, bull bar, or headache rack. Our Clamp is Universal used for Motorcycle ATV UTV Boat trucks and other vehicle. How to Choose Correct Size Mount Clamp ? Our Clamp design for difference size bar, work for standard size bar.If not match your bar size, sometime add a flat tape or rubber cut will work. Interchangeable/Compatible: All sizes of House Tuning or Other Brand Series Light Bar,Work Light,Pods Light,Fog Light and other Features: Strong Aluminum alloy Clamp Simplifies installation and small size Can be ONLY used on tubes of 1.5" in diameter. Package include: 4 x Clamp 8 x 304 Stainless Steel Screw 8 x Rubber Insert (ONLY 1.5" Bar use) 1 x Allen Hex Key