Caster, Load Rating Range 0 to 299 lb, Load Rating 280 lb, Tread Centipede, Wheel Dia. 8 in, Wheel Width 2 in, Inside Bolt Hole Spacing 22 5/8 in x 3 in, Outside Bolt Hole Spacing 3 in x 3 5/8 in, Caster Brake Type Face Brake, Caster Product Group Swivel Caster with Brake, Caster Sub-Type Swivel, Operating Temperature Range -40 Degrees to 180 Degrees F, Non-Marking No, Wheel/Tread Material Rubber, Tire Rim Dia. 2 7/16 in, Frame Finish Zinc Plated, Tread Color Black