Specification Brand : Stimpson BulletPoint1 : DIMENSIONS IN INCHES: Hole Size: 5/8 Flange Diameter: 1.285 Length Under Flange: .380 Metal Thickness: .021 Inside Diameter: .777 Outside Diameter: 1.270 Metal Thickness: .021 BulletPoint2 : HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates. BulletPoint3 : RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world. BulletPoint4 : Finishes: Plain Brass, Dull Black Chemical Finish and Nickel Plated BulletPoint5 : Industries: Industrial Fabrics, Commercial Printing & Signage, Marine, and more Color : Plain Brass ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 601393911562 ExternallyAssignedProductIdentifier2 : 0601393911562 ItemName : Stimpson 5RRGSWB144 Rolled Rim Grommet and Spur Washer Brass Durable, Reliable, Heavy-Duty #5 Set (144 Sets) ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : grommet-kits Manufacturer : Stimpson Co., Inc. Material : Brass MetalType : Brass NumberOfPieces : 144 PartNumber : 5RRGSWB144 ProductDescription : Grommet (inches): Hole Size: 5/8 Flange Diameter: 1.285 Length Under Flange: .380 Metal Thickness: .021