Schaefer Double Block Universal Head
Best double block for rigging versatility on boats up to 34 feet.
This double block is the workhorse you want for rigging boats up to 34 feet. Its aluminum construction offers serious durability without unnecessary bulk, though the universal head design demands a bit more attention during setup to ensure your lines run perfectly smooth.
$211.93
at
Sound Boatworks (ShopSoundBoatworks)
Who it's for
- Sailors needing durable gear for harsh saltwater conditions
- Riggers requiring versatile alignment for complex line setups
- Cruisers demanding high mechanical advantage for heavy control lines
Who should skip it
- Budget-conscious sailors seeking affordable rigging solutions
- Competitive racers prioritizing minimal weight for performance
- Owners wanting low-maintenance hardware without corrosion concerns
Performance breakdown
Load Capacity
Engineered to handle significant tension for boats up to 34 feet.
Material Durability
Aluminum cheeks provide excellent resistance against harsh marine environments.
Sheave Efficiency
Delrin sheave ensures smooth line movement under heavy loads.
Rigging Versatility
Universal head design adapts easily to complex deck layouts.
System Compatibility
Integrates seamlessly with existing 7 series blocks and adapters.
Maintenance Ease
Simple construction allows for quick inspection and routine cleaning.
Key Specs
name
2 3/8" (60 mm)
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2 in. (51 mm)
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2 1/2 in. (64 mm)
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5 27/32 in. (148 mm)
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2250 lbs. (1020 kg)
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1 lbs. 1 oz. (482 g)
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1/2 in. (13 mm)
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