Du-Bro #489 Heavy Duty E/Z Connector
Heavy Duty E/Z Connectors(#489 & 490) come complete with 2 each Steel Connector, 4-40 x 3/16 Socket Head Cap Screw, black snap washer, and push on steel washer. #489 works with .072 / 2-56 rod and #490works with .093" / 4-40rod.