This "flip card" or "swing card" die has a lot of different uses. The scalloped square part cuts, while the 2 extending straight lines are score line which you align on the fold of your card. With this die, you can create swing cards, tent cards, z-fold cards and a variety of other kinetic cards. The scalloped semi circle measures 3.75" in height. Pair this die with the Bump Card Scalloped Square die set (FRA-DIE-10009) to give you more options as well as layer pieces that will fit inside the scalloped square.