Pergolas and Gazebos -Punch Grommet Highlights Generic Brand Punch Grommet Description: Material: Steel Grommet punch length: Approx 9cm / 3.5in Grommet base height: approx 1.8cm / 0.7in Hole length punch length: Approx 10cm / 3.9 inch Made of premium stainless steel with fine workmanship Used for punching, rivet / SNAP button installation, tow hook, jeans buttons, etc. Great kit to quickly and easily replace or add new eyelets (grommets) for tents, tarps, awnings, sleeping bags or other items How to use: Punch with punch tool, use with card stamp when punching to avoid damaging the punch tool Install the blow hole and counterpoint with the stand Keeps the stand fixed and lively Tapping with a hammer After tapping, use the hammer to lightly tap two sides of the vent to make itget smooth Package includes: 1 x eyelet punch tool kit