Overview Reviews Product Description Bridgeport 248DC Set Screw Die Cast EMT Coupling Material: Zinc Size: 3-1/2 Inch. Product Videos Custom Field Product Reviews Write a Review Write a Review × Bridgeport Bridgeport 248DC Set Screw Die Cast EMT Coupling Material: Zinc Size: 3-1/2 Inch Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *