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This superior quality drill extension features a slotted, three-dimensional fluted design, made from chrome molybdenum alloy for maximum strength and durability. It is engineered to withstand torque forces of up to 50 pounds, ensuring the reliability needed in demanding applications. Its versatile shank accommodates most common drill bit sizes including 1/4 x 20, 5/16-24 and 7/16 -20 threaded systems. The compact size and lightweight of this tool allows for easy storage in a toolbox or onsite belt clip loophole. Ideal for various drilling operations across numerous industries such as automotive, construction, metalworking and machining, the 7/16 shank drill extension improves reach and control when working with tight spaces or overhead jobs requiring extra leverage without sacrificing accuracy and precision.