Tool-free installation and removal designed to quickly clamp to round, square, and odd-shaped rails and bars ranging from 0.5" to 1.75" in outer diameter The main body of the 1.5'' ball mount is made of 6061-T6 aluminum alloy material with CNC machining and iii grade hard anodized surface for durability and reliability in the most demanding environments. TPU over-molded ball head, non-slip and wear-resistant. Aluminum alloy tough-claw with built-in TPU provide stable gripping and protection of mounting surface. This 1.5 inch ball handlebar clamp mount compatible with RAM Mounts any C size 1.5'' ball double socket arm. Work for other devices with 1.5 inch swivel ball mounting pattern. Great for marine electronic mounts, fish finder mounts, GPS Chartplotter mounts, industrial tablet mount, industrial Monitor mount, navigation device mounts, camcorder mounts, rod holders and much more in a wide variety of applications Perfectly suited for mounting on the kayak rails, golf carts roll bars, UTV roll cages, handlebars of bikes bicycles motorcycles scooters ATV, or even on yoke of an aircraft The aluminum alloy handlebar clamp mount base with 1.5'' TPU ball for rails 0.5'' to 1.75'' in diameter, compatible with RAM Mounts C size 1.5 inch ball double socket arm. The main body of rail base is made of 6061-T6 aluminum alloy material with CNC machining and anodized surface for durability and reliability in the most demanding environments. TPU over-molded ball head, non-slip and wear-resistant. Aluminum alloy tough-claw with built-in TPU provide stable gripping and protection of mounting surface.