SeaSure 25mm Double Block w/Shackle [00.21CRD] Marine Navigation & Instruments | Compasses Accurate Tracking

Accurate Tracking

Creates its wireless network on the boat or can join an existing network in the workshop

Protective features include Rustrictor corrosion and rust-preventive technology to keep out moisture

outlet 3/4" GHT

Easily connect your VHF radio to your compatible AIS using our VHF interconnect cable

SeaSure 25mm Double Block w/Shackle [00.21CRD] Marine Navigation & Instruments | Compasses Accurate Tracking25mm Double Block with Shackle The 25mm plain bearing block range is one of SeaSure's oldest and best selling ranges. The range uses marine grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard wearing and light. Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00. 21 can be used to create a 4: 1 purchase system to aid in