Our Plastic-Body Intermittent-Duty SPST Series Solenoid Relays are ideal for starting small engines in lawn tractors, golf carts, sweepers, and more. Commonly referred to as remote-acting switches, the starter solenoid models available in this Cole Hersee solenoid series feature single-pole, single-throw (SPST) circuitry with normally open (NO) contacts and a nylon body that is lightweight, durable, and resistant to corrosion. This intermittent-duty solenoid relay model (24612-13) features an F-style bracket with slots of 9/32" x 13/32" (7.1 x 10.3 mm) on 2-1/4" (57.15 mm) center.