This is a genuine OEM approved replacement screw, not an aftermarket equivalent. It is supplied directly from original equipment manufacturer for use with Ryobi drills and drivers. This left thread screw is specially produced to secure the drill chuck. You will need a screwdriver to install or remove this screw. One item is included per order.
This is a genuine replacement part sourced directly from the manufacturer. The forward-reverse selector is found in Ryobi drivers. This part is made of high-quality plastic, and is placed in the housing assembly to allow the user to adjust the direction of the machine. You may require a screwdriver or Allen wrench when replacing this item. The forward-reverse selector is sold as an individual replacement part.