Description
Harken gross-trim/fine-tune mainsheet systems are easy to install and use. These optimized systems decrease overall line clutter because they use less line than traditional gross-trim/fine-tune systems.
Specifications
- Minimum line diameter: 5/16" (8 mm)
- Maximum line diameter: 3/8" (10 mm)
- Maximum sail area - end-boom: 32.4 m² (350 ft²)
- Maximum sail area - mid-boom: 25.5 m² (275 ft²)
Technical File
Related Products
Related Products

Harken Topper Race Kit TI004 - Mainsheet
Harken
Current Stock: 1
RRP
Now
€238.50
Was
Does not suit the Topaz.
Improve your performance on the racecourse. Sail faster with the Topper Harken Race Kit. The Topper Harken Race Kit combines the long-lasting reliability of Harken hardware...
HKTI004

ILCA Laser Harken Mainsheet & Traveller Block Set
ILCA
Current Stock: 1
RRP
Now
€94.95
Was
Harken ILCA Laser complete mainsheet block set includes stainless steel rivets - Official ILCA class approved , this block set uses ILCA exclusive Harken bearing blocks and will fit any Laser or ILCA...
ILC-BLOCK SET

ILCA Laser Mainsheet Boom Centre Block- Harken
ILCA
Current Stock: 35
RRP
Now
€19.95
Was
ILCA Laser high performance Harken middle boom mainsheet block with bearings - This block is permanently fixed to the laser boom and riveted in place with a stainless steel eye...
ILC5962

Harken Midrange 4:1 Traveller Kit
Harken
Current Stock: 0
RRP
Now
€849.95
Was
Harken replacement traveler kits are the fastest, easiest way to replace an old traveler with one that fits and works correctly. Take the guesswork out of picking the right parts. Kits include car...
HK1655

ILCA Laser Harken Mainsheet Boom End Block with Becket
ILCA
Current Stock: 34
RRP
Now
€22.50
Was
High performance Harken boom end, mainsheet block with becket for all rigs ILCA or Laser Dinghies
Features
ILCA Class Legal
High performance
Suits all Rigs
Suius Laser XD
ILC5961

Lewmar 48AST Two Speed Self-Tailing Winch - Aluminium
Lewmar
Current Stock: 0
RRP
Now
€3,119.95
Was
Lewmar's 48ST two speed, self-tailing Ocean winch range is the most popular winch ever made. Its styling still attracts boat builders looking for a more classic look or for those looking to upgrade...
LEW49048055

Harken Topper Race Kit TI005 - 4:1 Outhaul
Harken
Current Stock: 1
RRP
Now
€140.50
Was
Improve your performance on the racecourse. Sail faster with the Topper Harken Race Kit. The Topper Harken Race Kit combines the long-lasting reliability of Harken hardware with quality FSE Robline...
HKTI005

Lewmar NTR Mainsheet Car Size 2 5:1
Lewmar
Current Stock: 0
RRP
Now
€709.95
Was
The Lewmar NTR Mainsheet Car Size 2 comes with everything you need for a complete standard system excluding the track.
Suitable for boats up to 15m (49ft).
Features
Popular choice for cruising and...
LEW29432916BKP

Harken Single Speed Plain-Top Classic Winch B8A - 8
Harken
Current Stock: 0
RRP
Now
€375.95
Was
Single-speed, plain-top winches use Delrin bearing sleeves. Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Specifications Material: Aluminum...
HKB8A