Plate Caster with Pneumatic Wheels Load Rating Range 0 to 299 lb Load Rating 165 lb Tread Ribbed Wheel Dia 7 7/8 in Wheel Width 2 in Inside Bolt Hole Spacing 2-15/16 in x 4-1/8 in Outside Bolt Hole Spacing 3-5/32 in x 4-9/64 in Caster Brake Type No Brake Included Caster Product Group Rigid Caster Caster Sub-Type Rigid Operating Temperature Range -20 Degrees to 120 Degrees F Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 4 in Tire Thickness 2 in Frame Finish Zinc Plated