The HellermannTyton 166-31017 Fitting is a conduit fitting with fixed external thread and an IP54 rating of 40mm PG36. It is designed for metal conduit and provides protection against dust, water, and other foreign particles. The fitting is available with a variety of connection sizes, including, but not limited to 16mm, 20mm, 25mm, and 32mm. Additionally, its PG36 designation indicates that it is strong enough to withstand impacts from medium frequency vibrations and impacts produced by human hands and hammers. It can be used for the installation and mounting of other electrical and communication components in many industrial environments. It is corrosion resistant and has resistors against mechanical wear and UV radiation.