1.Grommet Kit: Includes 100 Piece Grommet Grommet Kit (with 100 grommets and washer, individually packed in PE bag), punch tool and attached tool, all in plastic box without damage.2. Copper Grommet: Made of quality cupronickel and galvanized on the surface, with very high corrosion resistance and shiny appearance, easy to rust.3.EASY TO INSTALL: Complete eyelet punch kit makes installation easier. First use the punch tool to punch a hole in the tarp, then take the eyelet kit, then use the attached tool to secure the eyelet kit securely.4.Wide range of uses: The grommet kit is suitable for canvases, tarpaulins, tents, curtains, backpacks, leather crafts, repair and decoration.5.Size: The inner diameter of these copper eyelets is approx. 1/2 inch, outside diameter is 5/6 inch, height is 1/5 inch, great props for various craft projects.