Harken 80mm Aluminum Element Fiddle Block Swivel, Becket Boat Nacra Infusion USB variant can also be

USB variant can also be configured to operate in �Raw Data� mode ($STALK)

Shielding (3-Levels): FOIL (Overall)

and monitor plankton data such as concentration contours and plankton front strength

Three scanning sonar frequencies — 455 kHz

Harken 80mm Aluminum Element Fiddle Block Swivel, Becket Boat Nacra Infusion USB variant can also beElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Elements design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks. Sideplates are hardcoat anodized to resist corrosion. A tough composite bearing sheave