Specification Brand : HJCMOONB BulletPoint : Bearings BulletPoint1 : 【360° free rotation】 You only need to paste the universal wheel at the bottom of the box, then this heavy box can easily and steadily move in any direction, saving time and effort. BulletPoint2 : 【Load-bearing capacity】The single wheel can withstand a load capacity of 4.5 pounds. Four wheels together provide a maximum load capacity of 18 pounds. you can also add more wheels. BulletPoint3 : 【Easy to install】You only need to use the self-locking device that comes with it. You just need to stick the casters to the bottom of the object with the included self-adhesive tape. No drilling is required and there is no damage to the object. It is recommended to wait 24 hours, it will stick more firmly. BulletPoint4 : 【Wide range of application】The casters are suitable for trash cans, storage boxes, small furniture, laptops, coffee machines or other objects that need to be moved more easily. BulletPoint5 : 【Quality and safety】Mini casters are made of ABS material. Mini casters are made of ABS and metal materials to ensure that they are strong, quiet and smooth, easy to roll, non-toxic and odorless. Color : One Color ExternallyAssignedProductIdentifier : 8017279245072 IncludedComponents : Caster Wheels ItemName : Bimetal Seal Shield Micro deep Groove Bearing 1pcs Plane Axial Thrust Ball Bearing Mini 3-in-1 F2-6M F3-8M F4-10M F5-10M F6-12M F7-17M F8-16M F10-18M Metal Axial Ball Bearing (Size : F4-9m 4 x 9 x 4m ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thrust-ball-bearings LoadCapacity : 18 pound Manufacturer : HJCMOONB Material1 : Acrylonitrile Butadiene Styrene (ABS) Material2 : Metal ModelNumber : HJCMOONB MountingType : Plate Mount NumberOfItems : 1 PartNumber : HJCMOONB ProductDescription : Bearings