Heavy Duty Trolley Wheels - 4" Steel Plate with Nylon Casters for Smooth Moving, Furniture, Carts & Industrial Equipment - Durable & Quiet Rolling for Warehouses, Workshops & Home Use

Feature:1. Double Bearing: Equipped with dual bearings to ensures stable rotation as well as saving the labour when pulling the cart.2. Firm Structure: Designed to have a sturdy structure with low gravity centre, the wheel allows for 300kg bearing capacity.3. Quicker Moving: The caster with 2in diameter enables more flexible rolling and easier turning under a high speed.4. Good Materials: Combining nylon wheel and compressed steel plate, the trolley caster has good durability against wearing.5. Practical Uses: Can be installed on trolleys or carts for transportation in airports, hotels, warehouses, etc., very useful.Specification:Item Type: CasterCaster Diameter: Approx. 5cm / 1.97inBottom Plate Size: Approx. 7.4 x 5.0cm / 2.91 x 1.97in Package List:4 xSwivel Caster