Specification Brand : Ding&ng BulletPoint1 : Made of high-quality bearing steel, once again interpreting high-quality fine craftsmanship BulletPoint2 : Solid carbon steel is beautiful and durable hard material, more durable BulletPoint3 : Durable and non-deformable steel ball is not easy to be hot, durable and cost-effective BulletPoint4 : High-quality surface silver-white luster 10 years and 20 years as new BulletPoint5 : Corrosion resistant nickel and chromium elements combined with acid and alkali resistance Color : Precision 4.0mm2.9kg ExternallyAssignedProductIdentifier : 9875805462589 ItemName : Precision Small Steel Ball 6mm Standard 3mm4mm 5mm 6.0/2/4.5/5.5/7.0/8mm Steel Ball Precision 5.0mm-Precision 4.0mm2.9kg ItemPackageQuantity : 1 ItemTypeKeyword : tungsten-precision-balls Manufacturer : Ding&ng Material : Steel NumberOfItems : 1 PartNumber : 9875805462589 ProductDescription : Product gross weight: 50.00g Material: Other This steel ball is a mechanical steel ball with good roundness, high hardness, smooth surface and small dimensional error. Feel free to choose! High-quality surface silver-white luster 10 years and 20 years as new Durable and non-deformable steel ball is not easy to be hot, durable and cost-effective Solid carbon steel is beautiful and durable hard material, more durable Made of high-quality bearing steel, once again interpreting high-quality fine craftsmanship ProductSiteLaunchDate : 2020-08-04T01:27:19.472Z Size : 3 one kilogram UnspscCode : 31171500