This parts tumbler was easy to build but it still does a great job of rounding rough edges and polishing the surfaces of parts cut with a CNC machine. You can see that it mounts in a bench vise ...

A parts tumbler is a great tool to have around. But if you don’t use it all the time, it’s hard to justify dropping hundreds of dollars on one. Fortunately, there are many ways to make your ...

It’s a 40-ounce tumbler available in several gorgeous colors, with vacuum insulation and a cup holder-friendly, narrowed base. In other words, just like Stanley. And it’s less than half the price.

This tumbler will come in 30 oz or 40 oz size ... upwards of $60 or even $70 depending on how decked out they are with accessories, there Barbie x Stanley Quencher Tumblers range from $50-$60.