Countertop leveling clamps.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ng_machine.jpg
Previously:
https://www.homemadetools.net/forum/...973#post160439
https://www.homemadetools.net/forum/...212#post112802
https://www.homemadetools.net/forum/...614#post136352
