Heidon's dragonfly blade, shaped for flasks whose mouths are narrower than the blade a full-size vessel would take. A ø100 mm circulation blade from the Three-One general-purpose line, press-formed in SUS-316 for everyday laboratory service. Supplied as a SUS-316 tip.
Best for: circulation in narrow-mouth flasks
Narrow-mouth flasks: the tombo profile reaches ø100 mm of sweep inside a flask that cannot admit a fixed blade of that size
Fits every ø8 mm shaft: Tip mount fixes at the shaft end with the nut supplied on every Heidon ø8 mm shaft