Proto

About Proto

For over a century, PROTO® has set the industrial standard with American-made, heat-forged tools that deliver uncompromising performance across 19 specialized categories—from Precision Torque and Fleet Maintenance to Tethered Tools and their Wrenches that helped build the Golden Gate Bridge and Apollo 11. Each PROTO product is carefully engineered, nickel-plated, and rigorously tested to withstand the most punishing worksite environments, from subzero temperatures to scorching factory floors, ensuring critical operations continue uninterrupted. Beyond tools, PROTO delivers peace of mind for professionals working in the world's most dangerous and harsh worksites—deep mines, remote oil rigs, and other construction sites where failure is not an option. Protos ergonomic designs that prevent slippage and reduce injury, making PROTO the trusted partner for industrial professionals who work around the clock in these extreme conditions. When professionals choose PROTO, they're not just buying tools; they're investing in industrial-strength reliability that has stood the test of time for those who keep global industries running when it matters most. Shop from allan wrench/hex keys, chisels, clamps, gauges, hammers and striking tools, inspection, knives, master sets, nippers, snips, scissors, pliers, pry bars, pullers and puller sets, screw drivers, sockets, strippers and cutters, wrenches.