1. Metal grommets size: approx. 5 mm/ 3/ 16 inch in inside diameter, 8.5 mm/ 11/ 32 inch in outside diameter, 3 mm/ 1/ 8 inch in barrel length.
2. Grommet kit: totally 400 sets 10 colors of grommets with 3 pieces grommet tools including a base, a punch and a install tool.
3. 10 Colors: light blue, red, yellow, orange, black, white, pink, green, grey and silver, 40 sets eyelets each color.
4. Practical tools: the easy-to-use grommet kit is suitable for shoes, clothing, shoelaces, DIY crafts projects, canvas, tarps, tents, awnings, and other cloth-made items.
5. Easy storage: all 400 sets grommets and install tools are placed in a clear storage box with removable baffle to separate these compartments, convenient to find the desired ones quickly.