SAJMN Heavy Duty Furniture Caster Wheels,Threaded Stem Castor Wheels with Metric Size M12,Rubbered Trolley Caster Moving Wheels for Shopping Carts,Industrial Equipment,Pack of 4 (Ø100mm,Brake+Univ

?High Quality Material: The wheels are made of soft rubber and TPE material, which is tough and durable. 2mm thick chrome-plated steel bracket, high strength, anti-rust, pressure-resistant, fine and smooth surface, strong bearing capacity. Sturdy and stable structure for longer service life. ?Features: casters have built-in carbon steel ball bearings, double-layer steel shaft design, 360°flexible steering, and easier rotation. The design of dust-proof rubber covers on both sides prevents dust from entering, prevents winding, and prolongs the service life of the bearing. ?Silent Design: Soft PTE rubber material wheels provide toughness and durability. Suitable for all floor types. All casters allow for quiet 360-degree motion on hard, smooth surfaces. ?Wide range of uses: Perfect casters for a variety of equipment and furniture, including display/exhibition equipment, trolleys, footstools, coffee tables, plant stands, bookshelves, shoe boxes, toy boxes, shopping carts, office chairs, workbenches, under beds storage or pots. ?Screw specifications: Please confirm the screw size before purchasing to avoid wrong purchase. Screw Specifications: Diameter: 12mm (0.5 inch), Height: 25mm (1 inch). Because the road surface is uneven, sometimes only 3 casters are load-bearing, and the total bearing capacity of all 4 casters can only be calculated with 3 casters.