Watertight Closure Plug For Use With Mechanical Interlock IP Rating IP67 Material Neoprene (Gaskets) Stainless Steel (Assembly Screws) Stainless Steel (Hinge Spring) Includes All Mounting Hardware Resistance Properties Impact Resistant Standards UL Listed Compatible with Series Hubbell Maximum Operating Temperature 75 Degrees C Minimum Operating Temperature -40 Degrees C Product Type Closure Plug