Genera PROTO®️ Industrial Tools, part of Stanley Black & Decker's Industrial & Automotive division manufactures, markets and sells industrial hand tools to professionals worldwide. Pros who work the most demanding jobs, demand the most from their tools. Which is why every day, all over the globe, millions of workers reach for PROTO®️ Industrial Tools. Our tools tackle heavy-duty industrial applications, like auto, steel and airplane manufacturing plants, chemical factories, refineries; and transportation, fleet, truck and transit maintenance facilities, and more. In fact, PROTO®️ branded industrial tools are some of the most durable tools available – exceeding ASME standards. Their design and product features reflect the direct knowledge and experience of professionals. Developed according to strict ergonomic standards, PROTO®️ Tools offer special advantages such as enhanced shock absorption and reduced slip, as well as unique designs that improve efficiency, productivity and are easy to use. - Unique gear design helps to maximize the ultimate torque. - Thin head design for access into tight work areas. - Reversing lever was made for quick, one-hand operations. - An extra safety factor is provided through the use of a spring-loaded pellet in each male drive plug that snaps into a hole in the drive end of the socket and acts as a retaining pin. - The socket stays locked on until the pellet is depressed and the socket is removed. Head Shape / Round Reversing / Yes Material / Steel Finish / Chrome Overall Length / 26 in Drive Size / 1 in Standards /ASME B107.10M Number of Geared Teeth /72