Overview Reviews Product Description Bridgeport 237-I Set Screw Connector Material: Steel Size: 3-1/2 Inch Insulated. Product Videos Custom Field Size 3-1/2 Material Steel Product Reviews Write a Review Write a Review × Bridgeport Bridgeport 237-I Set Screw Connector Material: Steel Size: 3-1/2 Inch Insulated Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *