For example, we tested the handheld sanders with large belts for removing old paint and smoothing flat wood surfaces, while we used smaller boards and dowels to test narrow-belt bench-style models ...

A wide belt sander is usually a woodworking tool, and it invariably includes a dust bag. Those with narrow belts (also called power files) can often be used on metal, and may not have a dust bag.

With a simple homebrew attachment, [Darek] turned his angle grinder into a micro-belt sander that’s great for ... keeps the belt under tension. The belts themselves are cut down from wider ...