Originally Posted by abcsnana
Based on calling "wider" side to side the slot that the sandwiches go into the Bigshot, there is only 1 size that I am aware of. If you are calling "wider" the end that actually goes thru the BigShot, yes you will need the longer one. The size I have is 6 1/4" x 13", with the 6 1/4" end is what you put in first. The clear cutting pads are same width, but about 15" (I didn't measure them)
I saw two different widths of longer extended cutting plates. One quite skinny to match the long dies, and one the same width as the usual cutting plates.