This heavy-duty roof rack system offers flexible drilled installation for universal fitment across various truck roofs, caps, shells, and trailer tops. Constructed from Q235 steel with a rust-resistant powder coat, it safely carries up to 500 lbs (227 kg) with 2 bars for large cargo. Integrated ladder stops, rails, and tie-down points ensure exceptional cargo security during transit. Vibration is minimized via rubber pads and caps on the mounting columns, while aerodynamic oval bars reduce wind noise. The column design also helps prevent water ingress. By maximizing usable roof space, it efficiently transports bulky or heavy items like lumber, ladders, and pipes, significantly improving transport capabilities. This heavy-duty roof rack system offers flexible drilled installation for universal fitment across various truck roofs, caps, shells, and trailer tops. Constructed from Q235 steel with a rust-resistant powder coat, it safely carries up to 500 lbs (227 kg) with 2 bars for large cargo. Integrated ladder stops, rails, and tie-down points ensure exceptional cargo security during transit. Vibration is minimized via rubber pads and caps on the mounting columns, while aerodynamic oval bars reduce wind noise. The column design also helps prevent water ingress. By maximizing usable roof space, it efficiently transports bulky or heavy items like lumber, ladders, and pipes, significantly improving transport capabilities.