A 2 x 72 inch belt grinder that I built from a HouseMade kit. It runs in reverse as well as forward, eats anything you feed it, and can still do fairly delicate work. I use it for everything from weld prep and stock removal to sharpening all my knives.

The 2 x 72 inch belt grinder I built from a HouseMade kit.
The 2 x 72 inch belt grinder I built from a HouseMade kit.