【SIZE】1/2 inch drive, 15 inchs (375mm) overall length
【MATERIAL】Made by heat Black chrome molybdenum steel, provides the strength and flexibility to handle high torque impact tools. Black phosphate finish for extra durability and anti-corrosion.
【RADIUSED CONERS DESIGN】Radiused corners inside drive avoid stress concentrations to causing possible cracking.
【SECURE CONNECTION】Spring-loaded retaining balls latch into sockets and hold them securely in place.
【MAKE IT EASY】 Use with impact wrenches and extends access to hard-to-reach fasteners in tight spots, suit for any industrial, mechanic, or construction and DIY work.