This is an OEM accessory tool for Ryobi miter saws. A 5mm hex key is a tool designed to tighten or loosen the screws of this machine. On one end is the 5mm hex and on the other is a Phillips head screwdriver. This tool is made of high0quality metal. This item is sold individually.
This genuine replacement bolt is sourced from original equipment manufacturer for use with Ryobi compound miter saws. It is made to secure the blade of a miter saw. This left hand thread bolt has a hex head and it is sold individually. To install or remove this bolt you would need a wrench.