looking for advice on a thin diameter rig tube ... I don't like the tungsten loaded stuff and am not keen on the lead core free braids.. I want a bog standard pvc ( dull black almost plasticy) finish tubing with a thin out diameter for heli rigs.. I don't like the stretchy types that almost feel sticky when you hold them as they tend to be too thick a outer diameter for my heli setups and look as though they catch the swivel .. so does anyone have links to something decent...almost a smooth harder plastic ( with a bit of suppleness )..