While fast-action metal clamps are more efficient for most tasks, hand screws can be invaluable for more unique situations. For instance, their jaws can clamp tapered or non-parallel parts, and ...

Tired of trying to guess which toolbox drawer contained the tool I was looking for, I bought magnetic business cards at an ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

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