Full Technical Description: Threaded Type; Dark Gray PVC Coated Zinc Hub, Nitrile Buna-N Sealing Ring Material; 2.38 Inch Dia X 1.88 Inch L Size; Rigid Conduit Used on; UL 94 Approval; Locknut Bonding/Grounding Screw; 1-1/4 Inch Trade Size; Corrosion Resistant; Thermoplastic Insulated Throat Type; OCAL-BLUE[R] Brand; Maximum Panel Thickness 1/4 Inch; Temperature Rating 105 Deg C; STG Model