The used BOSS FS-5U Nonlatching Footswitch is a reliable sustain pedal in great condition, perfect for keyboards, electric pianos, or triggering effects in your guitar rig or studio setup. Compact and built with the durable metal chassis BOSS is known for, the FS-5U operates as an unlatched momentary switch, meaning it only engages while pressed��ideal for sustain, punch-ins, or tap tempo. It features a polarity switch for versatile compatibility with various gear and connects via a standard 1/4" instrument cable (not included). Whether you're a gigging musician or a studio producer, this pedal delivers dependable, responsive performance in a space-saving design.