Schaefer Sheave Exit Block
Best dual-line solution for sailors managing twin Genoa halyards.
This double exit block is built for serious rigging, prioritizing raw strength and durability over lightweight materials. It handles high static loads with ease, making it a reliable workhorse for managing twin halyards, though you’ll sacrifice a bit of weight savings for that heavy-duty peace of mind.
$458.78
at
Sound Boatworks (ShopSoundBoatworks)
Who it's for
- Offshore sailors needing reliable, long-lasting hardware for heavy loads
- Riggers seeking to streamline complex control line management
- Cruisers prioritizing smooth, low-friction line adjustments under tension
Who should skip it
- Budget-conscious boaters looking for standard, entry-level hardware
- DIY sailors without experience in precise mast or structural fitting
- Racing dinghy owners needing to minimize weight and bulk
Performance breakdown
Load Capacity
Engineered to handle significant static loads without compromising structural integrity.
Material Durability
Aluminum sheaves and stainless spacers resist harsh marine corrosion exceptionally well.
Rigging Efficiency
Double sheave design streamlines twin halyard management for cleaner deck layouts.
Installation Ease
Requires precise deck cutting, but mounting is straightforward for experienced sailors.
Friction Reduction
Smooth sheave rotation ensures halyards move freely under heavy tension.
Build Quality
Robust construction reflects Schaefer's long-standing reputation for reliable marine hardware.
Key Specs
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1/2 in. (12 mm)
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3/16 in. (5 mm)
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2 in. (51 mm)
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1/2 in. (12 mm)
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2 5/8" x 1 11/32" (67 mm x 21 mm)
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(6), # 10 RH (5 mm)
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2250 lbs. (1020 kg)
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13.5 oz. (383 g)
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