[Replacement Part]:This electric drill speed control switch is great for replacing old or damaged drill [Features]:Gears Speed regulation:rotational action limits the maximum speed; Stepless speed regulation:frees control and speed adjustment are achieved by the force of finger pressure; forward and reverse conversion:forward and reverse paddles,the forward and reverse directions are adjusted by the paddles [Material and Size]:Made from ABS material,this switch replacement measures 4.1cmx1.6cmx7.4cm in size [High Performance]:Power Tool Replacement Swtich is finely crafted and performs well [Package Includes]:Each package contains 1 Hand drill speed control switch, Weight: 0.0661386786 pounds, Manufacturer: Zambuph