double post punch easy earring cards the double post punch punches approximately 3/4 inch from edge of paper. the holes are approximately 1 inch apart. the hole diameter is 1/16 inch. manufacturers-replacement policy: there is a 1 year (no fuss) replacement for punches. if purchased directly with packasmile llc the manufacturer/inventor. (***look at seller name. for manufacturers warranty. seller should be packasmile llc). this product is protected by us pat no. 8,763,503. please note- packasmile llc is the manufacturer (inventor)that this is the original earring card punches from the inventor of these products. if you see a similar product being sold elsewhere-those products are not authorized by the inventor and may be infringing intellectual property rights.