Plate Caster with Semipneumatic Wheels Load Rating Range 0 to 299 lb Load Rating 200 lb Tread Ribbed Wheel Dia 6 1/4 in Wheel Width 1 7/8 in Inside Bolt Hole Spacing 4-1/8 in x 4-1/2 in Outside Bolt Hole Spacing 4-1/8 in x 4-1/2 in Caster Brake Type No Brake Included Caster Product Group Swivel Caster Caster Sub-Type Swivel Operating Temperature Range -15 Degrees to 160 Degrees F Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 3 13/16 in Tire Thickness 1 in