Corner Guard Upper Backing Plates Fits 1987 to 2006 Wrangler, Rubicon and Unlimited;Bare steel;3/16 inch high-strength steel plate;Effectively sandwiches the rear upper body panel between the corner guard and this backing plate;To keep dirt and debris out from between the body and the corner guards GenRight GenRight Corner Guard Upper Backing Plates - CNR-7000 CNR-7000 Body Corner Guard Backing Plate