I like it better: curls up small, longer cuting surface, and I think it cuts better. Here is the discpription from campmor.
<img src="/images/graemlins/smile.gif" alt="" />
Pocket Chain Saw
Item Number: 27001


The world's fastest cutting pocket saw. Made of high strength, heat treated steel, coated for rust resistance. 28 in. long. 140 bi-directional cutting teeth can cut a 3 in. limb in under 10 seconds. Easy to use. Can be used by one or two people. Storage can included for chain. Wt. 1 lb.