Pair of electrical plugs and base terminal with cover and screws. Electrical connection from motor speed controller and wall plug to motor.  Male twin prong to female and female twin to male. Metal cover with two mounting screws encloses internal connections mounted on insulated base.  Male plug has screw cap broked and needs glueing or taping or replacing.  Female plug in good working shape.  Wiring has been removed as was frayed and no good. Tested for continuity and passed. Price includes shipping.  From electrified vibrating shuttle machine by National Sewing Machine Company.  Parts are about 80 years old but work..