General Purpose Bolt-Hole Caster 1/2 in Bolt Hole Dia Steel Caster Frame Material Chrome Plated Frame Finish 0 to 299 lb Load Rating Range 260 lb Load Rating 1 Number of Wheels Precision Ball Bearing 7 9/32 in Mounting Height 6 in Wheel Dia 1 1/4 in Wheel Width Thermoplastic Rubber Wheel/Tread Material 85 Shore A Wheel/Tread Hardness Soft Yes Non-Marking