Specification:Size:_x000D_Inside diameter: 14mm_x000D_Outside diameter: 23mm_x000D_Height: 5.6mm_x000D_Specification:_x000D_1.Easy to use: Simply attach the eyelet set with the hole cutter and the matching mandrel. The characteristic pattern on the surface of the mandrel is rough to prevent slippage and offers a secure hold._x000D_2.With a Plastic Storage Box: All of these rivets set and tools are packed in a clear storage box with removable baffles, which is convenient for you to find out the appropriate components and save time._x000D_3.Quality: These tarpaulin eyelets are made of sturdy metal and are corrosion and rust resistant. 14mm inside diameter, 23mm outside diameter, Height 5.6mm._x000D_4.Useful Tools: These durable paper eyelet tools are easy to use, suitable for denim, canvas, tarpaulin, tents, awnings and other items made of fabric._x000D_5.100 Satisfaction :Any further question about it ,please feel free to contact us.Package List:_x000D_100pcs x Eyelets