Air-powered bevelers form smooth, angled edges on pipe or plate workpieces. Also known as beveling grinders, they use replaceable cutting inserts or bits to remove burs and surface deposits, leaving clean edges that form tight joints and seams. They produce smoother, more uniform bevels than angle grinders, which may overheat material and warp workpiece edges. These pneumatic tools operate on compressed air and contain few moving parts, so they are lightweight to ease handling, run cool for a long lifespan, and require minimal maintenance.