Plate Caster with Pneumatic Wheels Load Rating Range 0 to 299 lb Load Rating 220 lb Tread Ribbed Wheel Dia 8 11/16 in Wheel Width 2 5/8 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 Total Lock Brake Caster Product Group Swivel Caster with Total Lock Caster Sub-Type Swivel Operating Temperature Range -20 Degrees to 120 Degrees F Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 4 in