Made of powder coated steel, the grind rail is strong enough to take punishment from skaters, scooters and snowboarders. This Skateboard Grind Rail is a fat 1.5″ diameter rail that measures 54″ in length. It is adjustable to three different height settings, and no tools are required. It allows you to micro adjust the rail to 3 different heights. Precision manufacturing and engineering, combined with the high quality materials, results in easy-to-assemble, maintenance-free ramps. Built for performance and durability.