If your Combitube construction leaves you with 2 male ends, use this Foba 6mm Tube with Female Connectors to complete your creation.
Foba's Combitube System is the build-anything, rig-anything, hold-anything solution to hundreds of studio problems. Dozens of tubes, connectors, clamps and stands can be combined in an infinite variety of ways.
In the Box
Foba Tube with 2 Female Connectors for Combitube - 6mm