Armored Cable/Flexible Conduit Connector, Type Straight, Trade Size 3 Inch, Cable Opening Single, Cable/Conduit Type Armored Cable/Flexible Metal Conduit, Cord Size 3.03 to 3.56 Inch, Length 3.13 Inch, Installation (2) Screw, Throat Type Insulated, Material Zinc Electroplated Malleable Iron, Approval UL 514B, CSA C22.2, Used On Armored Cable/Flexible Metal Conduit, Applicable Standard NEMA FB-1