About Light Duty Red PU Industrial Caster So the composition of caster is really very important. Consideration on the size of road, obstacles, remaining substances on application area, surrounding conditions as well as the load capacity of caster should be taken into during the decision-making for proper composition of caster. Wheel Diameter & Tread Width Load Axle Offset Plate Thickness Load Height Top-plate Outer Size Bolt Hole Diameter Bolt Hole Diameter 75*32 85 33 3.0|2.5 105…