Ladder Rack Stops by Rack'em Mfg
• The RA-28S will prevent your ladders from sliding forward or backward while on the Fitz-All ladder rack, while it is on your enclosed trailer.
• Fits the RA-28 and will fit other stock aluminum ladder racks with a 1" by 2" rectangle cross member.
• Very easy to install with just one bolt.
• Weight: 3 pounds