Bluemoona 200 Sets - Grommet Eyelets 8mm 5/16" With Washer Canvas Self Backing For Bags Shoes Leather Craft DIY (Gun Black) Size: inside diameter:5/16"(8mm), outside diameter:1/2" (13.3mm) Color:Gun Black Material: Metal Quantity: 200 Sets With Washer Use For : Clothes Canvas Bags Shoes Leather Craft DIY