The Makita 651225-5 Sander Polisher Switch SGEL215C. This is a replacement electrical switch designed for compatible Makita sanders and polishers, responsible for controlling the on/off operation of the tool. It works by completing or interrupting the electrical circuit when the trigger is pressed, allowing consistent power delivery during use. The switch helps restore proper function... https://www.wholetoolbox.com/makita-651225-5-sander-polisher-switch-sgel215c