Feature: 1. Durable: Made of metal material, the hole cutter and mandrel can be used for a long time; Each set of metal eyelets and gaskets shall be well matched and not easy to crack or fall off. 2. Perfect DIY Tools: This grommet tool kit provides an economical and affordable solution for repairing canvas, tarps, tents and pool coverings, and is applicable to shoes, clothing, handicraft projects, etc. 3. Easy to Use: Easy to set the grommets eyelets in place with the hole cutter and matched mandrel; The mandrel has a distinctive pattern on the surface, non slip provides more secure grips. 4. Complete Combinations: Grommet kit set includes a hole cutter, a matched mandrel, a flange and 100 sets of grommets eyelets (each set includes 1 eyelet and 1 washer). The eyelet can be more easily installed in place through the hole cutter and mandrel. 5. Specification: Inner diameter of eyelets is 1cm / 0.4in, outer diameter is 1.5cm / 0.6in. Flange Size: outer diameter of 1.8cm / 0.7in, inner diameter is 1cm / 0.4in, barrel length: 2cm / 0.8in. Specification: Item Type: Grommet Tool Kit Material: Steel, plastic Gross Weight: 315g / 11.1oz Color: Silver Eyelets Size: Inner diameter: 1cm / 0.4in, outer diameter: 1.5cm / 0.6in Flange Size: Outer diameter: 1.8cm / 0.7in, inner diameter: 1cm / 0.4in, barrel length: 2cm / 0.8in. Package List: 100 x Eyelet100 x Washer1 x Flange2 x Install Tool