Amazon.com has some pretty good deals on parallel jaw clamps:
12" Bessey k-bodies for $20.99
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24" Gross Stabil for $23.23
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't tried the Gross Stabil clamps, but I've heard good things. And $21 still seems steep for a 12" clamp, but I use my 6" and 12" Uniklamps enough that I've often wished for a heavier duty version of that. Speaking of which, when I checked amazon to remember what the gray baby-k-bodies were called, I noticed that set is on sale too: 2 @ 6", 2 @ 12", 2 @ 18" for $69.97. However, they're "in stock soon", which, from what I've heard, means they might or might not be in stock sometime this year.
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course they're not equivalent to real k-bodies, but as I said, I have this set and use them quite a bit. I usually find them handier than regular cheap F-clamps, with a larger clamping surface that doesn't spin when you tighten it. No affiliation etc., I just know I've been appreciative of clamp sale postings here in the past, so I thought I'd pass this along. Andy