Boat Buckle Ladder Rack System WUniv Bracket 2 The Ladder Rack System can be permanently mounted by ladder rack users to their truck racks. The system features a strong double J-hook and 7 feet of professional quality 2 web that holds valuable equipment securely. When not in use the strap automatically retracts out of your way. The ladder rack universal mount adapter, mounting hardware, and Retractable Ratcheting Tie Down is included with the system. Specifications 2 Break strength - 2,000 lbs.