1-piece construction designed to snap-in placeHigh impact strength self-extinguishing non-dripping (per UL 94) thermoplastic construction0.57 in thread105 deg C rated by UL made from flame retardant, non-dripping thermoplastic
T&B® 1456 Locking Non-Metallic Knockout Plug, 2 in, For Use With Rigid/IMC Conduit, Thermoplastic