Plate Caster with Flat-Free Wheels Load Rating Range 300 to 999 lb Load Rating 300 lb Tread Sawtooth Wheel Dia 10 in Wheel Width 3 1/4 in Inside Bolt Hole Spacing 3 in x 3 in Outside Bolt Hole Spacing 2-3/4 in x 3-5/8 in Caster Brake Type No Brake Included Caster Product Group Swivel Caster Caster Sub-Type Swivel Operating Temperature Range 0 Degrees to 100 Degrees F Non-Marking Yes Wheel/Tread Material Polyurethane Tire Rim Dia 6 13/32 in Tire Thickness 2 61/64 in