High Quality: Ultra-strong PVC casters, lifespan, wear-resistant, shock absorption, mute, avoid any marks on parquet or tiles. Flexibility: Double ball bearing swivel head, 360 degree swivel, caster movements are more comfortable and smooth. Safety: 3 inch swivel caster with a swivel lock brake prevents wheel rolling or swiveling, safer and more convenient. Design: Thickened base plate, the bearing force will be stronger; High quality steel chassis, anti-oil and anti-rust. The casters easily clip on without effort, just remove the old used casters from the furniture or chair etc. Wheel size: 75 x 30mm / 3 x 1.2inch; Mounting plate size: 90 x 60mm / 3.5 x 2.3inch; Height: 105mm / 4.1 inch. Charge capacity: 136 kg (per roll), ideal for furniture, workshop, industrial, storage, transfer and everyday use. High quality casters with brakes are ideal for your daily work and your furniture. It is a sturdy, non-marking steering wheel, which has a heavy bearing. Load capacity of 136 kg per caster, set of 4 total 544 kg Large contact surface, so good driving on wet grass Each roller with metal brake Made of high quality PVC and steel, sturdy and durable Protects your beach chair or your furniture against ground moisture and vermin, as there is no direct contact with the ground Features Material: steel and PVC< /p> Color: red Wheel size: 75 x 30 mm / 3 x 1.2 inch Wheel diameter: 3 inch Mounting plate size: 90 x 60 mm / 3.5 x 2.3 inches Height: 105 mm / 4.1 inch Quantity: 4 pieces Use for: shopping cart Full lock brake Load capacity: 300 lb / 136 kg, total 1200 lb / 544 kg Package contents: 4 swivel casters with brake