Description:* Fixed Casters 1.5 Inch PU Top Plate Rigid Caster Wheels , 4 Pcs .* Polyurethane (PU) wheels offer the elasticity of rubber wheels combined with the toughness and durability of metal wheels. Suitable for all floor types.* Perfect casters for small equipment and small space furniture including coffee table, plant stands, bookshelves, shoe bins, shopping carts, workbench. * Note: Each caster capacity is 50kg, total capacity for all 4 casters is 150kg (calculated by 3 casters ). Because when the ground is uneven , sometimes there will be only 3 casters bearing weight. Features:* Wheel Dia: 40mm / 1.5inch.* Capacity: 50kg / 110lb per wheel.* Style: Fixed Wheel, Plate Mounted.* Install Type: Plate Mounted.* Plate Size: 60mm x 45mm / 2.36inch x 1.77inch* Mounting Hole Diameter:9mm x 6mm / 0.35inch x 0.24inch* Hole Center Distance: 45mm x 30mm / 1.77inch x 1.18inch* Wheel Material: PU* Color: Black Package Include: * 4 x Fixed Caster