DGQ 5" Caster Wheels Heavy Duty Premium Commercial Grade Non-Marking Set of 4 (2 Rigid, 2 Swivel with Brakes) Specification: Material: Polyurethane and Steel Color: Gray Height: 158mm/ 6.3inch Top Plate size: 95 x 62mm/ 3.8 x 2.5inch (L x W) Wheel Size: 125 x 32mm/ 5.0 x 1.28inch (D x T) Quantity: Pack of 4 Net Weight: 7.3 Pounds Special feature: Rigid & lockable Capacity LBS: 1068 Lbs (267 Each) Bearing: Single ball bearing with thread guards Tread: Elastic thermoplastic rubber(round) Centre: Polyurethane Steel material, Durable and heavy-duty Use for: Shopping Cart, Tools and Equipment Package content: 4 x Caster Wheels