Harken 45mm Double Element Block w/Swivel [6238] Marine Navigation & Instruments | AIS Systems The Express® Mach3™ OS™ Series

The Express® Mach3™ OS™ Series of Stainless Steel Propellers are the next step in the evolution of our very popular larger diameter VO series

Signal Analogue - 3 - 180 Ohm

ignition protection

PTFE impregnated Nylon

then lock down the sounder mount into your favorite Scotty mounting system

Harken 45mm Double Element Block w/Swivel [6238] Marine Navigation & Instruments | AIS Systems The Express® Mach3™ OS™ Series45mm Double Element Block with Swivel Element 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