Hangzhou Gravity Caster Technology Co., Ltd.  

Product Name: Swivel Caster With Polyurethane Wheel With Iron Center Model NO.: heavy duty casters Thickness: 3mm Diameter: 250mm Specification: 3inch Maximum Load: 100kg Surface Treatment: Zinc Plated Bearing Type: Ball Bearing Brake: With Brake Wheel Material: PU Type: Rotating Wheel Load Capacity: 600-1400kg Diameter Range: 125-300mm Core: Cast Iron Color: as Per Request Hardness: 75