Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w/Swivel [N03230] Brand_SeaSure 1x OceanLink 4

1x OceanLink 4

Universal design and slim 1-3/8" diameter

Provides compact high-ampere busing with 3/8" terminal studs

One (1) Y Adapter

by simply entering the IP address and port for streaming NMEA data

Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w/Swivel [N03230] Brand_SeaSure 1x OceanLink 4Size 3 45mm Plain Bearing Pulley Block Double with Swivel The size 3 Barton plain bearing blocks have a 45mm (1 3 4" sheave size 3 block range that incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fiberglass filled nylon and Acetal sheaves to maximize their strength while keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system