However, I recommend also looking for a reasonably priced SE-76 if you sharpen a lot of chisels.With the SE-77 Square Edge Jig, it is easy to set your wood chisels and plane irons for sharpening to a square corner. There are no knobs to go out of alignment. I happen to prefer the SE-76, the older model, for sharpening chisels. When Tormek introduces a new jig, they discontinue the older model. They are small, accurate, and made of plastic, which makes them both inexpensive and impervious to water. Incidentally, Brian Pratt (Boothill Customs) makes a pair of very nice, practical squares. Check early and often with the smallest engineer's square you can find. However, if the two knobs are not correctly set, this same "feature" can also cause being out of square. Yes, the SE-77 can be adjusted to correct squareness. In my opinion, the camber control is where the SE-77 really shines. I realize that there are many more chisel sharpeners than plane blade sharpeners sophisticated enough to expect controlled camber grinding. Tormek promotes the SE-77, the latest model, primarily for being able to correct squareness with chisels. Over the years, I have acquired three generations of square edge jigs. Thinking about the geometry of everything involved, ticking off a full checklist and expecting a perfectly straight edge every time, but not quite getting it. Really careful about the universal support being straight. Really careful how I clamp the chisel in the jig. On one hand I was really happy, but also confused as I'd applied the same exacting criteria to all four chisels. Not a big deal, but enough for the perfectionist in me in to think "I wonder why that happened?" The third was less straight again, enough to frustrate me and mumble a few quiet sweary words under my breath. The second one was the merest whisker off perfectly straight. The first chisel I sharpened turned out perfectly and I was really happy about it. If there is a go to thread for this topic I'd be grateful for a link to it.
I've had a good rummage around with the search engine looking for a thread dedicated to getting a straight edge on a chisel. Apologies if this topic has been covered several times before.
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