This is an authentic Ryobi replacement part that has been sourced from the original manufacturer to be used with reciprocating saws. The metal set screw is used to secure a portion of the front of the gear case. A screwdriver is needed to install item and it is sold as an individual replacement part.
This replacement hex key is utilized on Ridgid, Ryobi and Homelite power products. It is a genuine OEM sourced item, it is not an aftermarket imitation. This hex key also known as an allen wrench allows user to tighten and loosen hex socket head screws. This wrench is made from durable metal and it is sold individually.