Specification Brand : Aicosineg BulletPoint1 : 【SIZE】- Wheel Diameter: 40mm/ 1.57"; Thread Diameter: 8mm/ 0.31"; Thread Length: 10mm/ 0.39"; Load: 15kg/ 33.07Lbs(per wheel) BulletPoint2 : 【DESIGN】- Two wheels make the force more uniform, the casters will be more stable and durable. Get smooth, quiet rolling and full swivel action BulletPoint3 : 【APPLICATION】- Perfect as a set of replacement new furniture wheels or great to give older furniture a new look and feel. Suitable for desk, cabinet, flower pot holder, locker, shelf, shoe rack and so on BulletPoint4 : 【LOAD CAPACITY】- Capacity of each caster is 15kg, total capacity of all 4 casters is 45kg (calculated by 3 casters ). Because when the floor is uneven , sometimes it will be only 3 casters bearing weight BulletPoint5 : 【PACKAGE CONTENT】- 1Pc × Swivel Caster Without Brake Color : Black Color1 : Black Color2 : Silver ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 0734005033519 ExternallyAssignedProductIdentifier2 : 734005033519 ItemName : Casters, 1.5 Inch Swivel Caster Wheels 360 Degree Threaded Stem, Caster Wheel, M8 x 10mm, 33lb Capacity Black Tone,(Aicosineg) ItemPackageDimensions_Height : 20.2 centimeters ItemPackageDimensions_Length : 6.7 centimeters ItemPackageDimensions_Width : 9.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : stem-casters LoadCapacity : 33.0 pounds Manufacturer : Aicosineg Material : Polyurethane Material1 : Iron Material2 : Polyvinyl Chloride (PVC) Material3 : Rubber ModelNumber : EM8000W0309AI-FBA MountingType : Stem Mount NumberOfItems : 1 PartNumber : EM8000W0309AI-FBA ProductDescription : Description: Get smooth, quiet rolling and full swivel action, all while protecting your floors. Black matte surface design is simple and stylish, wear-resistant and corrosion-resistant. Twin Wheel Design, Two wheels make the force more uniform, the casters will be more stable and durable. WHAT YOU GET: 1pcs black caster . 1.5inch diameter wheel with M8 x 10mm Threaded Stem for mounting. LOAD CAPACITY: Capacity of each caster is 15kg, total capacity of all 4 casters is 45kg (calculated by 3 casters ). Because when the floor is uneven , sometimes it will be only 3 casters bearing weight. NOTE: Please measure the stem size of your old casters before buying, in case of buying the wrong specification casters.Please do not overload while using them.