For anything thicker than 22-gauge sheet metal, ... A person wearing yellow gloves uses a red Milwaukee-branded handheld power tool to cut through a metal sheet clamped to a workbench in a workshop.

HVAC professionals working with sheet metal, ductwork, and tubing need tools proven to stand up to the test of time: tools that can gouge, drill, crimp, cut, seam, fasten — or maybe a combination ...