[Metal Grommet Size] --- Inside diameter: 5 MM (0.2 Inch), exterior diameter: 9 MM (0.32 Inch),barrel size is 3.6 mm (0.14 inch) [Wide Usage] --- The simple-to-use grommet package is appropriate for sneakers, clothes, shoelaces, tasks, tarps, awnings, and leather-based crafts and includingdecoration to your crafts and so on. [Easy Storage] --- All 400 grommets units and instrumentscould be put in storage field with detachable baffle to separate these compartments, which is handyto search out the corresponding parts The construction is agency.Rustproof sturdy, efficiencyis sweet, Colour chips doesn't off. Set up steps: 1.Making a gap with a punch software. 2.Put the again of by a gap from a entranceof garments and a washer on the again of from a againof garments. 3.Face to the bottom and put on on the bottom. 4.Push the set up rod on washer and hammer the grommet collectively We 't suggestto make use of these grommets for thick material (corresponding to blankets). the thickness of leather-baseddoesn't exceed 6 OZ. Light-weightmaterials,mesh ,knitted materials, stretch materials and materials with put on on the floorneeds to be lined on the againto forestall them from breaking and tearing the material Notice: Please maintain them from youngsters to keep away from choking. Colour: silver + black + inexperienced bronze + gold materials: steel Bundle Contents: 400 * Grommets (4 colours and 100 unitseveryshade ) 3 * Instruments 1 * Storage field Solely the above bundlecontent material, differentmerchandisearen't included. Notice: Mild and totally differentshowsmighttriggerthe colour of the merchandisewithin theimagea bittotally different from the actualfactor. The measurement allowed error is +/- 1-3cm.