Weight: 10.780000 Series: Fractional, Metric, Pipe Material: Galvanized Steel / Polyethylene Color: Gray Rail / Black Wheels ESD: Yes Load Capacity per Meter: 507.00 lb (230.00 kg) Load Capacity per Wheel: 20.00 lb (9.00 kg) A (Rail Width): 3.346" (85.00mm) B (Rail Height): 1.259" (32.00mm) C (Overall Height): 1.417" (36.00mm) D (Wheel Width): 2.755" (70.00mm) E (Wheel to Wheel): 0.748" (19.00mm)