I have the 'Behr' version, which is fine-tooth. The blades are interchangeable, and replaceable. There is a coarse-tooth blade available too. I like not having teeth on the back side, it makes it easy to guide the blade with my fingers to start a cut, or to keep one on track. I think Crafstman has something similar.

: Hello,
: I'm going to build a S&G kayak (not sure which) this winter & am starting
: to think about tools needed. I know the Japanese pull saws are
: recommended. From browsing the Lee Valley on-line catalog I see that there
: are several types of Japanese saws: Ryobi, Dozuki, & Azebiki. Which do
: you use? If forced to only choose one saw, what do you recommend? How many
: teeth per inch should it have, etc.?

: Thanks in advance.
: Bryan