The 5.5" Vaughn may be small, but the 7.5" Stanley is much more capable IMO.

The Stanley is still relatively small; the claw is roughly the same length as the Vaughn, but the Stanley is ~twice the width and a tad thicker stock. If you can fit a 7.5" length, go for the Stanley.

I have both and the 5.5" Vaughn is light duty. I'm not sure how much use it would be opening elevator or subway doors. $.02
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Better is the Enemy of Good Enough.
Okay, what’s your point??