Product DescriptionMaterial: Metal, Plastic.Silver Color.Grommet Size: 2/5 Inch (10Mm) Inside Diameter, 5/8 Inch Outside Diameter Of Flange And 1/5 Inch Barrel Length.The Package Includes:100 X Diameter And 1/5 Inch Barrel Length1 X Hole Cutter1 X Thorn1 X Storage Box1. [Easy To Use]: Simple Fastening Of The Rivet Set With The Appropriate Hole Cutter And Mandrel. The Characteristic Pattern On The Surface Of The Mandrel Is Rough To Prevent Slipping And Provides A Secure Grip.2. [With Plastic Storage Box]: All Of These Grommet And Tool Sets Are Packed In A Transparent Storage Box With Removable Baffles, Which Allows You To Find The Proper Components And Save Time When Making. Manufacturing.3. [Premium Quality]: These Eyelets Are Made Of Sturdy Metal, Sturdy And Resistant To Corrosion And Rust; With Inner Diameter: 10Mm / 0.39 Inch And Outer Diameter: 18Mm / 0.70 Inch.4. [Useful Tools]: These Durable Tarp Grommets Are Easy To Use, Suitable For Denim, Canvas, Tarp, Tents, Awnings And Other Fabric Items.5. [Packing Item]: The Spout Kit Set Includes A Punch, Matching Mandrel And 100 Sets Of Grommets (Each Set Contains 1 Grommet And 1 Washing Machine) And A Storage Box.