This is a spring switch that is used in many types of lawn and garden equipment, such as log splitters, lawnmowers, and tillers. The spring switch is made out of durable metal and is typically located near the switch button. With ordinary use, the spring switch can experience wear or other types of damage and stop working correctly. When this occurs, it will need to be replaced.If the spring switch is broken or bent, a screwdriver will be needed to replace it. The lawn equipment should be powered off and placed on a stable surface during the replacement. Disassemble the unit and locate the contacts to access the spring switch and other small parts. The original switch can be removed using a screwdriver so the new component can be installed. Reassemble and power the tool on before use.This spring switch is a genuine OEM replacement part that is sourced directly from the manufacturer. The component is sold on an individual basis. The part is made to be compatible with lawnmowers, snowblowers, tillers, log splitters, and wood chippers manufactured by Craftsman, Toro, Cub Cadet, Ryobi, Troy-Bilt, Murray, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, MasterCut, and Turf King.