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 an original Panasonic replacement part that is manufactured for use with drill/drivers. The special reverse threaded chuck fastening screw is used to secure the drill chuck gear box. This chuck fastening gear is sold as an individual replacement part, please see model diagram for associative parts.