Set Screw Conduit Coupling Zinc Trade Size 2 1/2 in Overall Length 4 in Finish Plain Compatible Conduit Type EMT IMC RMC Conduit Fitting Type Coupling Standards CSA Certified UL Listed For Use With EMT For Conduit Type EMT Overall Height 3 5/16 in Overall Width 3 9/32 in Weight 0.84 lb Compatible Conduit Trade Size 2 1/2 in Concrete Tight Yes Connection Orientation Straight Connection Type Set Screw Inside Diameter 2.9 in Outside Diameter 3.33 in