Specification Brand : uxcell BulletPoint1 : Product Name: Flat Washer; Material: Nylon BulletPoint2 : Weight: 7g; Package Content: 400(+/-2%)PCS x Flat Washer BulletPoint3 : Thickness: 1mm / 0.04"; Inner Diameter: 2.5mm / 0.1" BulletPoint4 : Outer Diameter: 5mm / 0.2"; Standard: M2.5 BulletPoint5 : Color: grey white BulletPoint6 : Use only Mercury/Quicksilver oil in your Mercury outboards Color : Grey White ExteriorFinish : Nylon ExternallyAssignedProductIdentifier1 : 604267215049 ExternallyAssignedProductIdentifier2 : 0604267215049 ExternallyAssignedProductIdentifier3 : 00008236386974 GpsrSafetyAttestation : 1 ItemName : uxcell M2.5 x 5mm x 1mm Nylon Flat Pads Insulating Washers Spacers Gaskets Fastener Grey White 400PCS ItemPackageDimensions_Height : 13.4 centimeters ItemPackageDimensions_Length : 0.9 centimeters ItemPackageDimensions_Width : 9.8 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : flat-washers Manufacturer : uxcell Material : Nylon MetalType : Stainless Steel ModelNumber : SYNCTEA035122 NumberOfItems : 1 NumberOfPieces : 400 PackageLevel : unit PartNumber : a16101300ux0572 ProductDescription : Used for motherboard to prevent electrical short from metal to metal contact. Fit for motherboard standoff to use screw. Washers are normally used to distribute loads of threaded bolts, screws, nuts, and evenly as the fastener is tightened. Intended for the general use under the head of a bolt or nut in order to provide a smooth-bearing surface.