Features: 1. Durable: Made of metal material, the hole cutter and mandrel are built to last; each set of metal eyelets and washers is precisely matched for secure fit and durability. 2. Ideal for DIY Projects: This grommet tool kit offers a practical solution for repairing canvas, tarps, tents, and pool covers; suitable for use in shoes, clothing, and various craft applications. 3. Easy to Use: Effortlessly install grommets with the included hole cutter and matching mandrel; the mandrel features a textured surface for improved grip and slip resistance. 4. Complete Set: Includes a hole cutter, matching mandrel, flange, and 100 sets of grommets (each set includes 1 eyelet and 1 washer) for immediate use. 5. Specifications: Eyelet inner diameter: 1 cm (0.4 in), outer diameter: 1.5 cm (0.6 in). Flange outer diameter: 1.8 cm (0.7 in), inner diameter: 1 cm (0.4 in), barrel length: 2 cm (0.8 in). Item Type: Grommet Tool Kit Material: Steel, Plastic Gross Weight: 315 g (11.1 oz) Color: Silver Eyelet Size: Inner Diameter: 1 cm (0.4 in), Outer Diameter: 1.5 cm (0.6 in) Flange Size: Outer Diameter: 1.8 cm (0.7 in), Inner Diameter: 1 cm (0.4 in), Barrel Length: 2 cm (0.8 in) Package List: 100 x Eyelet 100 x Washer 1 x Flange 2 x Installation Tool