This is an original replacement part sourced directly from the manufacturer. The click spring is commonly found in Panasonic drivers. This part is made of metal, and is used to apply tension to the selector switch. You may require an Allen wrench or screwdriver when replacing this part. This item is sold individually.
This is a genuine Panasonic replacement part, it is not an aftermarket imitation part. The switch is sourced from the original manufacturer to be used with cordless drill/drivers. Switches can wear out over time and can cause the tool's power to decrease or off and on startup. This switch is available as an individual replacement part.