Harken 40mm Carbo Air Double Swivel Block w/Becket SCMECH3 On the handle

On the handle

Each of the bezel designs is compatible with every ViewLine product

adjustable belt with buckle in front

5 m and 3 m models

User-replaceable AA batteries (not included) provide up to 19 hours of battery life in GPS tracking mode

Harken 40mm Carbo Air Double Swivel Block w/Becket SCMECH3 On the handle40mm Carbo Air Double Swivel 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