Specification Brand : Hillman BulletPoint : Fits 3/8" SAE Hex Bolts Made of 6061 Aircraft Aluminum. BulletPoint1 : Material: Steel - Durable and long-lasting material for heavy-duty use BulletPoint2 : Package Dimensions: 1.56 x 0.5 x 4 inches - Convenient and compact packaging BulletPoint3 : Number of Pieces: 10 - Ample quantity for multiple projects BulletPoint4 : Compatible Groove Diameter: 1 inch - Ensures a secure fit BulletPoint5 : Washer Type: Countersunk - Provides a smooth and flat surface BulletPoint6 : Fastener Size: 1 inch - Ideal for various applications BulletPoint7 : Fastener Type: Flat Washer - Offers even load distribution and prevents surface damage BulletPoint8 : Item Thickness: 4 inches - Provides added strength and durability BulletPoint9 : Exterior Finish: Steel - Offers a sleek and professional appearance Color : Silver CompatibleMaterial : Metal ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 4006885215108 ExternallyAssignedProductIdentifier1 : 008236764574 ExternallyAssignedProductIdentifier2 : 0008236764574 ExternallyAssignedProductIdentifier3 : 00008236764574 FinishType : black GpsrSafetyAttestation : 1 IncludedComponents : Components included ItemName : The Hillman Group 9745 Plaster Washer, 10-Pack ItemPackageDimensions_Height : 25.4 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 8.4074 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : flat-washers Manufacturer : The Hillman Group Material : Alloy Steel Material1 : Nylon Material2 : Polypropylene MetalType : Alloy Steel ModelName : 2151000 ModelNumber : 9745 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 NumberOfPieces : 10 PackageLevel : unit PartNumber : 9745 ProductDescription : This washer is constructed of aluminum alloy. Fit for M3 countersunk screws. This is the perfect part to give that finishing touch to a beautiful engine bay. Perfect for RC Model Car, front bumpers, rear bumpers, engine bay, trunk/hatch lids, etc washer are commonly used in automotive,sheet metal,plumbing and electrical applications.