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The GBM9-16 is a professional-grade, heavy-duty drill that doubles as a material mixer. It offers a variable-speed motor with reversing switch with 550 revolutions per minute for applications in wood or metal and enough torque for mixing jobs. It features an 8-amp, all-ball-bearing motor and steel gears delivering 767 inch/pounds of torque, a ½-inch keyed chuck, and an ergonomic soft-grip trigger with reversing switch. Mixing materials range from paint, sealing compounds, and epoxies to glue, varnish, mortar, and grout, with typical users including drywallers, painters, tilers, and flooring and carpet installers.