Boom Vang 4:1 Rigging For Sailboats Up To 27 Feet LOA, Heavy Duty Marine Vang With 25 Ft 5/16 Inch Line, Delivers Tight Leech Control, Easy Install, Ideal For Small To Medium Boats

4:1 Boom Vang rigging for boats up to 27 ft LOA, single unit
✔️ Includes 25 ft of 5/16 in line for boats up to 27 ft LOA

This heavy-duty marine vang clamps to the boom to control the mainsail leech and prevent the boom from rising, keeping sail shape steady on small to medium boats up to 27 ft LOA. It includes a 25 ft x 5/16 in line (7.6 m x 8 mm) and supports displacement up to 5000 lbs with a sail area around 315 sq ft (29 m²). Weighs about 2 lbs (907 g) and uses investment-cast snap shackles for quick placement. A V-Jam Cleat provides easy line capture for fast tensioning. Color: white.

✅ SWL 1000 lbs (450 kg) working load
✅ Includes 25 ft of 5/16 in line (7.6 m x 8 mm)
✅ Investment-cast snap shackles for quick mounting and toe-rail repositioning
✅ V-Jam Cleat for easy line capture and tensioning

💡 What is a boat vang used for and how does a 4:1 vang improve mainsail control?

This handy overview explains the value of a 4:1 vang in everyday rigs:

- Improves mainsail leech control and reduces twist
- Keeps the boom from rising in gusts and light air for steadier trim
- Quick tensioning with V-Jam Cleat enhances handling
- Durable cast components support long life
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