Crafted from durability carbon steel, this drill bit extender excellent wear resistance and longevity, ensuring reliability during extended use Achieve drilling with this high concentricity forstner drill extension rod, designed to minimize deviation and enhances work efficiency for your drilling tasks Features a universally round shank design for seamless compatibility for most power tool, and includes a wrench for secure bit adjustments and enhanced operational stability Ideal for both professional tradespeople and enthusiasts who require versatile drilling solution across various projects and applications Perfect for accessing hard to reach areas in construction, woodworking, and metalworking applications, available in 173mm / 114mm lengths to accommodate different depth requirements, Manufacturer: JSGHGDF