Plate Caster with Pneumatic Wheels Load Rating Range 300 to 999 lb Load Rating 960 lb Tread Sawtooth Wheel Dia 16 in Wheel Width 4 7/8 in Inside Bolt Hole Spacing 4-1/8 in x 6-1/8 in Outside Bolt Hole Spacing 4-1/8 in x 6-1/8 in Caster Brake Type No Brake Included Caster Product Group Rigid Caster Caster Sub-Type Rigid Operating Temperature Range -30 Degrees to 120 Degrees F Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 8 in Frame Finish Enamel Tread Color Black