Specification Brand : uxcell BulletPoint1 : Size: 4.5mm in diameter. With good dimensional stability. BulletPoint2 : Material: POM plastic (also called Polyformaldehyde) is a tough material with a low coefficient of friction and high abrasion resistance. BulletPoint3 : Corrosion Resistance: The POM plastic material is highly resistant to corrosion, making these bearing balls suitable for both indoor and outdoor use. BulletPoint4 : Wide Range of Use: Suitable for a variety of industries, including automotive, machinery, and electronics. BulletPoint5 : Notice: Please confirm the ball diameter before ordering. Color : black DsaResponsiblePartyAddress : successservice2@hotmail.com IncludedComponents : BALL ItemName : uxcell 200pcs POM Bearing Balls 4.5mm Solid Plastic Bearing Balls, Precision POM Balls ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 1.7018 centimeters ItemPackageDimensions_Width : 5.9944 centimeters ItemPackageQuantity : 200 ItemTypeKeyword : plastic-precision-balls Manufacturer : uxcell Material : POM plastic ModelNumber : 434 NumberOfItems : 200 PartNumber : a24040800ux0072 ProductDescription : Description POM plastic (also called Polyformaldehyde) is a tough material with a low coefficient of friction and high abrasion resistance. Excellent wear-resisting and self-lubricating than any other engineering plastics. Nylon bearing balls are especially useful for low-load bearings, special valves, check valves, floatage valves, fluid level indicators, carburetors, flow meters, and laboratory devices. Notice: Please confirm the ball diameter before ordering.