Specification Brand : Xuulan BulletPoint1 : Quiet, Wear-resisting BulletPoint2 : Handiness, Shock absorption BulletPoint3 : Would not scratch the floor BulletPoint4 : Protect All Floors: Roll around the office or home with ease and you don’t need to worry about scratching up or damaging your floor. It will protect all type of floors including tile, carpet and hard wood floor. BulletPoint5 : Strong weighing ability, let you rest assured to use Color : Onecolor ExternallyAssignedProductIdentifier : 7371328077573 ExternallyAssignedProductIdentifier1 : 0653466067928 ExternallyAssignedProductIdentifier2 : 653466067928 ItemName : Xuulan Xianglaa-Wheel casters, 1PCS Diameter Rubber Wheel, 3" 75mm x 21mm, M8/10/12 x 30mm Threaded Swivel Caster, w Brake 360 Degree Rotation, Furniture Parts (Size : M12) ItemPackageQuantity : 1 ItemTypeKeyword : stem-casters LoadCapacity : 150 kg Manufacturer : Xuulan Material : Steel Material1 : Plastic Material2 : Metal Material3 : Rubber MountingType : Stem Mount NumberOfItems : 1 PartNumber : Xuulan ProductDescription : Product Name Threaded Stem Swivel Caster Type 360 Degree Rotation, Light Duty Wheel Size 7.5 x 2.1cm / 3'' x 0.9''(Dia*T) Threaded Dia. M12 Threaded Stem Length 30mm/1.18" Overall Size(Approx) 11.2 x 5 x 13cm / 4.4'' x 2" x 5.1"(W*T*H) Material Rubber, Plastic, Metal Color As Picture Shown Weight 330g Load bearing:4pcs=150KG