MPQ2136 Features: * 1.5"" Plastic insulating bushings * Flame retardant threaded plastic inserts for conduit * Threaded plastic inserts for RIGID or IMC conduit * Thermoplastic material, heat, impact and torque resistance * Strong reinforcing ribs and rim around bottom * Flame retardant polypropylene (rated to 221 degree F, 105 degree C) * Threaded plastic inserts are UL / CSA listed * Bag quantity of 50 Dimensions: * Dimension: 1.5"" W x 1.5"" D Warranty: * 1 Year warranty