Airflo Di-Do 1
Airflo Di-Do Sinking Tungsten Putty is a non-toxic, re-usable, plastic tungsten dough that may be used on tippet or fly. Available in three sinking speeds, the leading putty that can be used in all temperature conditions.
Di-Do 1: Sinks at a rate of .75m per second
Di-Do 3: Sinks at a rate of 2.25 per second