Harken Two-Speed Mainsheet Self-Contained System - 4 to 1, 8 to 1 Harken® gross-trim/fine-tune mainsheet systems are easy to install and use. These optimised systems decrease overall line clutter...

Ronstan 8-1 & 4-1 Two-Speed Mainsheet System, Ratchet 4:1 coarse, 8:1 fine, Ratchet and Ball Bearing Features Coarse and and fine tuning purchase system. Unrivalled 18:1 holding power...

Ronstan 6-1 & 3-1 Two-Speed Mainsheet Top Blocks Only Top blocks for RF72700 two-speed system   Mainsheets on sportsboats and keelboats to 12m (40')Max. mainsail area, END boom sheeting =...

Ronstan 6-1 & 3-1 Two-Speed Mainsheet Bottom Blocks Only Bottom blocks for RF72700 two-speed system   Mainsheets on sportsboats and keelboats to 12m (40')Max. mainsail area, END boom...

Ronstan Two-speed Mainsheet System Ratchet Two-speed mainsheet systems allow both coarse and fine tuning in a single purchase system. The system allows fine tuning of the mainsheet when sailing...

Ronstan 8-1 & 4-1 Two-Speed Mainsheet Top Blocks Only Top blocks for RF72900 two-speed system Features Coarse and and fine tuning purchase system. Unrivalled 18:1 holding power...

Ronstan 8-1 & 40-1 Two-Speed Mainsheet Bottom Blocks Only Bottom blocks for RF72900 two-speed system Features Coarse and and fine tuning purchase system. Unrivalled 18:1 holding power...

Single Speed Aluminium Self-Tailing Winches from HARKEN. Harken Radial Line winches have successfully balanced the need for a secure grip and line longevity with smooth, controlled easing while...

MKIV furling systems are strong, lightweight and aerodynamic, with the performance and features Harken is known for. Longevity, ease of use, and simplicity of installation are crucial components of...