Harken 40mm Carbo Air Double Fixed Block w/Becket PVTOIMA3 Variable range markers (VRM) and

Variable range markers (VRM) and electronic bearing lines (EBL) allow rapid measurements of distance and bearing to vessels and land

Mercury Marine Engine Thermostat Kits contain all necessary parts and gaskets to replace your boat's thermostat

- Water resistant

Safe and easy to apply

The even flow of water gives better control of hot water temperature with systems using instant water heaters

Harken 40mm Carbo Air Double Fixed Block w/Becket PVTOIMA3 Variable range markers (VRM) and40mm Carbo Air Double Fixed Block with Becket Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb