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. Ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials - drive configuration allows for a quick and easy socket engagement to the fastener flats, not the corners - Uses a radius-corner design that shifts contact area and stress away from the fastener corners and distributes contact stresses over a large area of the socket, minimizing slippage - Its internal design minimizes fastener rounding and allows the user to more easily turn worn, rounded, or rusted fasteners Material / Alloy Steel Finish / Chrome Socket Depth / Standard Drive Type / Square Drive Size / 3/8 in Standards / ASME B107.110-2012 Number of Points / 12 Overall Length / 1 3/4 in