The Corona RS 7120 cuts very quickly and with minimal effort. (It cuts on the pullback)  I have given several to friends, one with very little strength in her hands, and she can still cut thick branches EASILY.  I have used many pruning saws, and the the size and shape of this one if perfect.  I recommend this saw highly.  You can use it in place of a chainsaw for small projects.  When the blade finally gets dull (my first one took several months of hard use), you can order new blades for about $10.00 each.  It's easy to replace the blades and they don't loosen up at all.  Warning- if you get one you will want to give all your friends one also.