Proto 3/8" Dr 25-250 In Lbs / 2.8-28.2 Nm Proto Electronic Dial Torque Wrench - J6345 The Proto J6345 Electronic Dial Torque Wrench has a 3/8" Drive and an English range of 25-250 In-Lbs. Manufactured to meet standard industrial torque applications such as general industry,... $595.30 $1,112.01 Add to Cart A secure hold you’ll never second-guess. Precision torque tools are built for accuracy when it counts. A precision torque tool is only as good as its results. And, with proper maintenance and regular recalibration, our rigorous safety standards ensure you never have to question their accuracy. What makes the difference? Proto® precision torque wrenches are individually crafted, each one from a single piece of solid, high-grade steel, giving you a better, stronger, more dependable tool. Our precision torque products come in three series for all tolerance ranges, from automotive to commercial air. Because we know you won’t tolerate anything less than a tool as dependable and accurate as ours, no matter what job you’re doing.