25.4_mechanic
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The thing is, as you use it, the teeth wear so the clearance reduces. Also, you're pulling the saw backwards and forwards, so the top blade will be trying to cut one way or another. I think there's a reason we don't see them anymore, and when we went into detail about hacksaws in college (yes really!) In 1977, they were comprehensively written off...
Thanks!

So, you knew this kind of saw blades?!?
Then it's maybe not a regional or national thing, but a thing of the times now and then: perhaps it made sense once to save material but didn't stood the test of time.
Right, it was not so easy to find new offers for such saw blades and if, preferably for PVC pipes.
So that was just what there was in our household when I was a kid, as a tool it has not generally proven. Ok.

Carsten
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