Create 1.25 mm holes as much as 1" from the edge of your work piece. Punch copper, silver, or other soft metal sheet as thick as 22 gauge. Holes are smooth and clean without barbs or rough edges. And because of Beadsmith's exclusive Gauge Guard™, the area around each hole will be free of unsightly indentations. Equipped with ergonomically shaped rubber and plastic handles and tempered steel pins. Provided with an extra replacement pin. Overall length 6 1/4". Made in Taiwan.