Diy crafts metal grommets size: approx. 10 mm/ 3/ 8 inch in inside diameter, 16 mm/ 5/ 8 inch in outside diameter, 3 mm/ 1/ 8 inch in barrel length diy crafts · grommet kit: totally 100 set grommets with 2 pieces grommet tools, a base, a punch and a install tool; 2 colors: gold and silver, 100 sets each color diy crafts ¸ convenient fixing tool kit: the punch tool can poke a hole on leather crafts, leather straps or clothing, then hammer it to push grommets together, good for adding ornaments to your crafts diy crafts save costs: this complete grommet kit allows for an economic way to repair by yourself, suitable for canvas, tarps, tents, awnings, and other cloth-made items diy crafts clear storage box: grommets and tools can be put in storage box with removable baffle to separate these compartments, which is convenient to find the corresponding components