Specification Brand : uxcell BulletPoint1 : Product Name: Flat Washer; Material: Iron BulletPoint2 : Weight: 37g; Package Content: 100(+/-2%)PCS x Flat Washer BulletPoint3 : Thickness: 1mm / 0.04"; Inner Diameter: 3mm / 0.12" BulletPoint4 : Outer Diameter: 10mm / 0.4"; Standard: M3 BulletPoint5 : Color: Black; Coating: Black Zinc Plated Color : black ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 810074743280 ExternallyAssignedProductIdentifier2 : 0810074743280 GpsrSafetyAttestation : 1 ItemName : uxcell M3 x 10mm x 1mm Black Zinc Plated Flat Washers Spacers Gaskets Fastener 100PCS ItemPackageDimensions_Height : 9.9 centimeters ItemPackageDimensions_Length : 1.1 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flat-washers Manufacturer : uxcell Material : Iron MetalType : Iron ModelNumber : SYNCE008418 NumberOfItems : 100 NumberOfPieces : 100 PartNumber : a16101300ux0681 ProductDescription : Black zinc plated offers corrosion resistance. The flat washer provides a bearing surface for fastener load distribution or is used as a spacer between components. Intended for the general use under the head of a bolt or nut in order to provide a smooth-bearing surface.