Harken 80mm Single Element Block Mastbase w/Swivel [6221] Marine Safety | Accessories Universal Adjustment Arm

Universal Adjustment Arm

normally rocky bottom

The 396-1-AIS has been specially designed to meet the broader bandwidth requirements of all popular AIS transceivers

Installs with three #10 RH fasteners (not included)

Dimming: Yes

Harken 80mm Single Element Block Mastbase w/Swivel [6221] Marine Safety | Accessories Universal Adjustment Arm80mm Single Element Block Mastbase 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