Plate Caster with Pneumatic Wheels Load Rating Range 1000 to 2999 lb Load Rating 1210 lb Tread Diamond Wheel Dia 12 in Wheel Width 4 1/8 in Inside Bolt Hole Spacing 4-3/4 in x 6-5/16 in Outside Bolt Hole Spacing 4-3/4 in x 6-5/16 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 4 in