Protects cables, wires, and hoses up to 1.5"D from warehouse vehicle traffic indoors or outside (5) 1.5"W x 1.5"H cable and wire channels Maximum capacity 18,000 lbs. per axle (9,000 lbs. per tire) Modular design allows straight pieces to be connected together or to 22.5 Degree turn pieces (DH-CP-2R) Heavy duty thermoplastic rubber with a highly visible yellow safety lid (Operating Temp. -40F to 131F)