Description: 54043467 Description: 50 Pair premium copper eyelets grommets with washers- durable, strong and solid Can be attached to leather, tents, awnings, canvas, tarps and other cloth-made items Outer Diameter: 23mm/0.9inch; Inner Diameter: 12mm/0.47inch; Neck Length: 6mm/0.24 inch Great for marine boat covers, canvas, sewing craft, tents, sofas, clothing, home improvement, baby carriage, ect. Specification: Material: Copper Inner Diameter: 12mm/ 0.47inch Color: Black Package Includes: 50 Pieces Eyelets 50 Pieces Washers Note: Please allow a little size error due to manual measurement. 54043462 Description: 100 Pair premium eyelets grommets with washers- Anti-rust, durable, strong and solid Can be attached to leather, tents, awnings, canvas, tarps and other cloth-made items Outer Diameter: 17mm/0.67 inch; Inner Diameter: 10mm/0.39inch; Neck Length: 6mm/0.24 inch The Black and Golden ones made of copper but the silver one is made of iron Great for marine boat covers, canvas, leather craft, tents, sofas, clothing, home improvement, baby carriage, etc. Specification: Material: Copper, Iron Inner Diameter: 10mm/0.39inch Color: Black, Golden, Silver (Optional) Package Includes: 100 Pieces Eyelets 100 Pieces Washers Note: Please noted that the silver one is made of iron Specification: Material: Copper Inner Diameter: 12mm/ 0.47inch Color: Black Package Includes: 50 Pieces Eyelets 50 Pieces Washers Note: Please allow a little size error due to manual measurement.