Yakima BedRock HD Rack System. on-road capacity and Yakima's exclusive new Off-Road Rating for up to 180 lbs.all without the need to drill into the truck bed. Pair it with the HD Bar length that best fits the bed to carry bikes skis cargo boxes or the SkyRise Rooftop Tent all while preserving valuable cooler-carrying capacity underneath. This powerhouse truck rack provides strength and security easily-accessible tie-down points and T-slot attachment capability that makes adding gear easy. Features/Specifications: Easy to reach low profile height position makes it easy to rack out and reach gear Simple tool-free attachment makes installation removal and crossbar spread adjustments a breeze Best-in-class maximum on-road rating of 300 lbs. Maximum off-road rating of 180 lbs. Built to last with engineered aluminum construction and durable powder-coat finish Integrated tie-down points on endcaps of HD Bar make securing any load quick and simple T-slot attachments make adding gear mounts and accessories fast and easy Designed and tested for all common truck beds Integrated SKS (Same Key System) locks the rack system to the truck bed Works seamlessly with the new Yakima HD Bar crossbar in 68"/78" lengths Suggested mounts and accessories: Bike Mounts Cargo Baskets SkyRise Tent Wear Strips Eye Bolts BigCatch Fishing Kayak Saddles Specifications for Yakima BedRock HD: Manufacturer: Yakima Size: L 5.5in x W 4.25in x H 7in Weight: 8.01 lb Package Contents: Yakima BedRock HD Yakima 8001160: BedRock HD Rack System