Features: 1Durable: 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. 2Perfect 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. 3Easy 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. 4Complete 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. 5Specification: 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: GrommetToolKitMaterial: Steel plasticGross Weight: 315g / 11.1ozColor: SilverEyelets Size: Inner diameter: 1cm / 0.4in outer diameter: 1.5cm / 0.6inFlange 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