T&B® Conduit Connector, Insulated Threadless, 1 in, 1-29/32 in Dia, For Use With: IMC/Rigid Conduit, Malleable Iron, Natural, Electro Plated Zinc/Chromate Coated, 2 in L
A split steel ring with diagonal serrations grips the conduit and bites into it for positive groundMakes a permanent connection and eliminates the need for cutting a thread on the conduitInsulation helps to guarantee continuity of service with protection of the conductor at the critical point the fitting bushing9/16 in L threadNylon insulator