Plate Caster with Flat-Free Wheels Load Rating Range 300 to 999 lb Load Rating 770 lb Tread Ribbed Wheel Dia 8 in Wheel Width 2 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 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 5 in Tire Thickness 1 1/2 in