This is the easiest envelope maker on the market! Just punch and score. The 2-way envelope punch creates fold tabs and round corners. It is easy to create designer envelopes in dozens of sizes. Printed on the punch board are a variety of cards sizes, paper sizes, and the score lines. This package contains one 6-3/4×10-1/2 inch score board, 2- way envelope punch, bone folder and measurement chart.