Plate Caster with Pneumatic Wheels Load Rating Range 300 to 999 lb Load Rating 330 lb Tread Diamond Wheel Dia 10 1/4 in Wheel Width 3 3/8 in Inside Bolt Hole Spacing 5-1/2 in x 5-1/2 in Outside Bolt Hole Spacing 5-1/2 in x 5-1/2 in Caster Brake Type No Brake Included Caster Product Group Swivel Caster Caster Sub-Type Swivel Operating Temperature Range -20 Degrees to 120 Degrees F Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 4 21/64 in Tire Thickness 2 61/64 in