Plate Caster with Flat-Free Wheels Load Rating Range 1000 to 2999 lb Load Rating 2900 lb Tread Ribbed Wheel Dia 16 in Wheel Width 5 1/8 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 Swivel Lock with Face Contact Brake Caster Product Group Swivel Caster with Four Position Swivel Lock and Brake Caster Sub-Type Swivel Operating Temperature Range -30 Degrees to 120 Degrees F Non-Marking No Wheel/Tread Material Rubber