Plate Caster with Pneumatic Wheels Load Rating Range 0 to 299 lb Load Rating 200 lb Tread Diamond Wheel Dia 6 in Wheel Width 2 in Inside Bolt Hole Spacing 3 in x 3 in Outside Bolt Hole Spacing 2-5/8 in x 3-5/8 in Caster Brake Type No Brake Included Caster Product Group Rigid Caster Caster Sub-Type Rigid Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 4 in Tire Thickness 1/4 in Frame Finish Zinc Plated Tread Color Black Swivel Raceway Type Double Ball