Uses resin wheels. The resin wheels are quiet and will not damage your work. For mounting shooter racks, dollies, and line palettes. Pitch: 2.0 inches (50 mm); Wheel Diameter: 1.4 inches (36 mm); Wheel Width: 2.6 inches (67 mm); Length: 33.8 inches (1,000 mm); Wheel Load Capacity: 22.0 lbs (10 kg); Wheel Width: 2.6 inches (67 mm); ADimensions: 0.8 inches (20 mm); Frame: Hot Dipped Galvanized steel plate; Wheels: No polypropylene (2 mm); Wheels: Polypropylene (PP); Please unload required for vehicle to be unloaded.