Low-Profile Bolt-Hole Caster 7/16 in Bolt Hole Dia 13/32 in Mounting Bolt Dia Steel Caster Frame Material Zinc Plated Frame Finish 0 to 299 lb Load Rating Range 165 lb Load Rating 1 Number of Wheels Plain 2 in Mounting Height 1 3/8 in Wheel Dia 1 in Wheel Width Nylon Wheel/Tread Material 70 Shore D Wheel/Tread Hardness Hard Yes Non-Marking