The Ricochet A-Arm Guards are durable coverage for the underside of your UTV or ATV, made to compliment a full skid so you get complete and total coverage from rocks and debris. Ricochet makes their guards using precision-bent aluminum alloy plate that is a very robust .125 inch (1/8th or 4.06 mm) thick. Every plate has a machine-specific and accurate fit, and installation should be quick using the included hardware that Ricochet packs with the guards.