Set Screw Conduit Coupling 316 Stainless Steel Trade Size 2 in Overall Length 2 1/2 in Finish Polished Compatible Conduit Type EMT Thread Size 2 In.-11 1/2 Conduit Fitting Type Coupling Standards UL For Use With EMT For Conduit Type EMT Weight 0.4 lb Compatible Conduit Trade Size 2 in Connection Type Set Screw Indoor/Outdoor Usage Indoor/Outdoor Inside Diameter 2.21 in Outside Diameter 2.38 in