Jeep JK corner guards. AEV Rear JK Corner Guards for the 2-door or 4-door JK Wrangler feature thick 1/8" stamped steel construction to protect the rear corners of your Jeep from all sorts of off-road abuse. AEV JK Corner Guards come with all hardware and have AEV's multistage coating - zinc coated, e-coated, then finished with a durable textured black powdercoat finish or your can order Primer Only. AEV JK Corner Guards will provide the protection necessary for the rear of your Jeep. Warrior Products Jeep JK Corner Guards in diamond plate, Black Diamond plateand powder coated balck.