
If all you need is an angle wrench, the sunnex àre fine. If you need them for the tight turning situations, the snap on is really the only thing with a true 4 way head. I have the large sunnex set, up to 2", and they have held up really well. I used to own the SK and have used the matco, they are a nice wrench but other than better quality offer little more than the sunnex.i have a mixed set to 1 5/8", SO mac and matco
matco's are very thin head, when i 1st bought them, i doubted they would last, figured they would spread open or break. 30 years of abuse, and they have survived. never spread or broke any of them.
as mentioned the mac's have a much smaller handle portion, it does help sometimes with tight clearance issues...
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What does the SO do, that the Martin do not do?
Yep. Several companies offer a 60 degree angle but the 30 degree angle is what makes Snapon preferable over the others, at least for aircraft IMHO. I only have inch wrenches I have not invested in the metric sizes.The Snappy has 30 and 60 degree angles. The others use 15 and 60 degree angles.
I have a snap on set 3/8 thru 3/4 and I have a proto set 5/16 thru 1 1/4, I prefer the proto set because the proto's are thinner and shorter. Snap on is to thick to fit into some spots.