Mainsail reefing systems must operate effciently to reduce sail under adverse conditions and provide proper sail shape when reefed. These systems are a must for both racers and cruisers.

Typical Boat Length:
Small Boat: 22' - 28' (6.7 - 8.5 m)
Midrange: 29' - 34' (8.8 - 10.4 m)
Big Boat: 35' - 42' (10.7 - 12.8 m)

Single Line The single line reefing kit is easy to install and use. To reef, simply ease the halyard to a predetermined mark and pull the single reef line taut. Ideal for boats from 22 ft to 27 ft (6.7 m to 8.2 m) with a maximum sail area of 150 ft2 (14 m2). Diagram Ref. Description Small Boat Part No. Midrange Part No. Big Boat Part No. A Single line reefing 430 430

Dual Line This dual-line system is common on boats 30 ft (9 m) and larger. Position blocks so line pulls down and out to keep the sail flat and prevent lateral loads on the luff rope or luff sliders. Diagram Ref. Description Small Boat Part No. Midrange Part No. Big Boat Part No. A Cheek 350 2644 2644 2606 2606 1963 1548 B Single 348 2650 2650 2600 2600 1950 1540 C Mastbase block 096 222 206 1986 1988 1988 1990 D Bullseye 339 237 339 237 237

Lazy Jacks Lazy Jacks contain mainsails during reefing and dousing. They work exceptionally well with full-battened mains, but are also used with conventional sails. Diagram Ref. Description Small Boat Part No. Midrange Part No. Big Boat Part No. A Lazy Jack Kit 252 253 254

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