On my KR I joined 2 pieces of 1/4 inch tubing using an aluminum brazing rod, the kind that melts with a propane torch. The pitot rod is longer then the static rod and the static rod is plugged with a soft alum rivet and is drilled with a small diameter drill on the side of the rod.
Orma AKA AviationMech KR-2 N110LR 1984 to Present www.members.aol.com/aviationmech