These hole punch pliers will punch through Copper, Sterling Silver and Aluminum up to 20 gauge. They will punch Brass, Silver Filled and Gold Filled up to 22 gauge. They will punch Nickel Silver up to 24 gauge.
Hole (pin) size is approximately 1.8mm which will accommodate up to a 14 gauge wire. These pliers are
Click here for replacement pins for this tool.
I love the quality of these pliers, and the price, too! They punch great through the blanks but they are not strong enough to punch through the 1mm or thicker Flat Wire that we carry.
These pliers will leave a small mar on your metal right next to the hole. To avoid this, tear off a small piece of thick paper (like card stock) and punch a hole in it with your plier. Let the paper stay on your pin sitting up where the pin connects to the plier. This will act like a cushion.