Can-Am Commander UHMW A-Arm Protection Guards. Factory UTV s UHMW Skid Plates are the gold standard for UTV protection systems. Factory UTV Can Am Commander a-arm guards offer the best in a-arm protection. Constructed from ultra tough and slippery UHMW these guards protects your a-arms from the off road abuse you love to put them through. This is the same protection Factory UTV Support racers have used to protect their race UTV s and win every major Pro UTV Endurance Championship race including the Baja 500, Mint 400, King of Hammers, San Felipe 250 and Silver State 300.