Rocker Guard Backing Plate Fits 1987 to 2006 Wrangler, Rubicon and Unlimited;Bare Steel;3/16 inch high-strength steel plate 3 holes predrilled;Effectively sandwiches the rocker body panel between the rocker guard and this backing plate;To keep dirt and debris out from between the body and the rocker guard GenRight GenRight Rocker Guard Backing Plate - RCG-5500 RCG-5500 Rocker Backing Plate