Full Technical Description: Threaded Type; Dark Gray PVC Coated Zinc Hub, Nitrile Buna-N Sealing Ring Material; 7.69 Inch Dia X 3.16 Inch L Size; Rigid Conduit Used on; UL 94, CSA Approval; Locknut Bonding Screw; 6 Inch Trade Size; Corrosion Resistant; Thermoplastic Insulated Throat Type; OCAL-BLUE[R] Brand; Maximum Panel Thickness 0.31 Inch; Temperature Rating 105 Deg C; HUB Model