Specification Brand : Aicosineg BulletPoint1 : Wheel Dia: 50mm / 1.97inch ; Capacity: 60kg / 132lb per wheel ; Style: Swivel (no Brake,w Brake). BulletPoint2 : Thread Dia: M10 ; Thread Length: 25mm / 0.98inch; Wheel Material: Polyurethane;Tips: This product is a general coarse thread with a pitch of 1.5, please confirm the size before buying! BulletPoint3 : Install Type: Threaded Stem ; Color: Black ; Package Content: 2 x Swivel no Brake, 2 x Swivel with Brake. BulletPoint4 : Polyurethane (PU) wheels offer the elasticity of rubber wheels combined with the toughness and durability of metal wheels. Suitable for all floor types. BulletPoint5 : Perfect casters for small equipment and small space furniture including coffee table, plant stands, bookshelves, shoe bins, shopping carts, workbench. Capacity : 80 pounds Color : Black ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 822196281397 ExternallyAssignedProductIdentifier2 : 0822196281397 IncludedComponents : 4 Sockets ItemName : Swivel Casters 1.97 Inch PU M10 x 25mm Threaded Stem Caster Wheels, 132lb per Wheel, Pack of 4 2Pcs no Brake, 2Pcs with Brake,Aicosineg ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : stem-casters LoadCapacity : 200.0 pounds Manufacturer : Aicosineg Material : Polyurethane Material1 : Nylon Material2 : Iron ModelName : NO ModelNumber : 28-139S MountingType : Stem Mount NumberOfItems : 1 PackageLevel : unit PartNumber : EM4200W1409AI-FBA ProductDescription : Description: * Swivel Casters 1.97 Inch PU M10 x 25mm Threaded Stem Swivel 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 60kg, total capacity for all 4 casters is 180kg (calculated by 3 casters ). Because when the road is uneven, sometimes there will be only 3 casters bearing weight. Features: * Wheel Dia: 50mm / 1.97inch. * Capacity: 60kg / 132lb per wheel. * Style : Swivel (no Brake,w Brake), Threaded Stem. * Install Type: Threaded Stem. * Thread Dia: M10 * Thread Length: 25mm / 0.98inch * Wheel Material: Polyurethane * Color: Black Package Include: * 2 x Swivel no Brake, 2 x Swivel with Brake.