VEVOR Grommet Tool Kit, 900 PCS 1/4 Inch 5/16 Inch 3/8 Inch Multi Size Metal Eyelets Grommets, Eyelet Kit with Manual Grommet Press Pliers, Hole Punch, and Block, for Leather Tarp Shoes Crafts FabricSimple to UseStrong Magnetic GripLightweight & DurableEasy ReplacementWide ApplicationsDetailed User ManualDie Size: 1/4" (6 mm), 5/16" (8 mm), 3/8" (10 mm),Grommet Height: 1/4" / 6 mm,Suitable Thickness: ≤0.12"/3mm,Net Weight (including all accessories): 2.93 lb / 1.33 kg,Product Size (L x W x H): 9.06 x 5.91 x 0.87 in / 230 x 150 x 22 mm,Item Model Number: 6MMWQP,Number of Grommets: 900 pcs (300 for 6mm, 300 for 8mm, 300 for 10mm),Number of Replaceable Dies: 3 Sets (Interchangeable),Suitable Punch Materials: Leather, waterproof fabric, shoes, elastic bands, paper cards, hanging crafts, clothing, bags, etc.,Main Material: Aluminum Alloy