Does anyone use line wrenches that AREN'T Snap On?
No why would you ask???
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While working on my 1963 Chrysler, I had an assortment of Snap-On, New Britton, Proto, Herbrand, and Craftsman. I found that some fit better than another depending on the condition of the tube nut. I lucked out, and didn't round off any of the nuts, but there were a few that were so badly rusted, that the tubing just twisted. On those, it got a line replacement. The one "modern" Craftsman didn't fit any line nuts very well.
I have a Gearwrench (non-ratcheting) metric set, which I bought when my opportunity to borrow Snap-ons dried up.
The Snap-ons are nearly 5x the price of the Gearwrenches, at local pricesEven the US price differential would, for me, rule out the Snap-on tools.
Are the Snap-ons better ? Possibly, I would be willing to consider that they might be more durable, but I don't use them every day, or even every month, and the Gearwrenches certainly don't slip on, or chew up, the fasteners.
The Gearwrenches also feature curved drive faces - 'Surface Drive Plus'.

I'll tell ya one thing, the Snap-on ones work great![]()
In all honesty, I use them so little. Probably one of the biggest wastes of money in my box. Although, I did use a cheap set once that expanded and wouldn't do it's job. It was probably made in China though.
Have both snap on and mac both work great.

Although I have Proto, Williams and a few SO line wrenches, I prefer using my vintage Bonney, Line Wrenches.
I can't remember the last time I rounded-off a fitting.![]()