Compression Coupling 316 Stainless Steel Trade Size 2 in Overall Length 3 in Finish Polished Insulated No Compatible Conduit Type RMC Conduit Fitting Type Coupling Standards NEMA 4X UL For Use With RMC For Conduit Type RMC Weight 1.76 lb Compatible Conduit Trade Size 2 in Inside Diameter 2.4 in Outside Diameter 3 in