A red and black PROTO tool bag (model J120TB) is placed on the back of a vehicle in an automotive workshop. A mechanic is working at a table with a large engine or transmission, surrounded by machinery and equipment. The background shows workshop tools and vehicles.

Engineered for Industry

PROTO tools are used every day in the toughest industries, from repairing mining machinery to precision maintenance in the aerospace industry. PROTO makes all the tools that keep America going.

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PROTO air tools J150WP set, including impact wrenches and grinders, displayed on industrial metal surface.

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TRUSTED BY INDUSTRY EXPERTS

With over 60 years' experience turning tools, U.S. Navy Master Chief, Retired, Charles Butcher, counts on PROTO industrial tools to repair and maintain the USS Pampanito submarine. His experience has reinforced that having the right tools–PROTO tools–onboard is mission-critical because there’s no re-supplying once you’re out to sea.