US$ 175.00
Propeller Technology
Then this package is a must-have for you
Made of 400 Denier polyurethane coated nylon
Excel Frameless Single Lens
which flex independently to produce propulsion in much the same manner as a propeller
OrcaTourch HM01 Helmet Mount Swimming Fins Propeller TechnologyHelmet mount; Designed with Aircraft grade high strength aluminum material; Suitable for diameter 23~28mm flashlight; Suitable for Orcatorch D520,D530,D550,D570