Schaefer Spring Loaded Block
Best adjustable track block for mid-sized sailboat rigging upgrades.
This is the workhorse you want for your T-track system when reliability matters more than bells and whistles. The robust stainless steel construction and smooth bearing system handle serious loads with ease, though you sacrifice a bit of lightweight agility for that undeniable, long-term durability.
$329.00
at
Sound Boatworks (ShopSoundBoatworks)
Who it's for
- Sailors needing secure, immediate line engagement under heavy loads
- Cruisers seeking long-lasting hardware for harsh saltwater environments
- Owners of larger vessels requiring robust, high-capacity rigging
Who should skip it
- Budget-conscious boaters looking for entry-level hardware
- Owners wanting low-maintenance gear that avoids regular cleaning
- Competitive racers prioritizing minimal weight for maximum speed
Performance breakdown
Load Capacity
Handles significant loads with ease, perfect for boats up to 38 feet.
Material Durability
Stainless steel construction ensures long-term resilience against harsh marine corrosion.
Adjustment Ease
Pin stop mechanism allows for quick, intuitive positioning on the track.
Sheave Smoothness
Nomex and Teflon bearings provide exceptionally low-friction line movement.
Track Compatibility
Designed specifically for standard 1-1/4 inch T-track systems.
Build Quality
Robust engineering delivers reliable performance under demanding sailing conditions.
Key Specs
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1 1/4" x 3/16" (32 mm x 5 mm)
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38', 18000 lbs., 715 sq. ft. (11.5 m, 8182 kg, 66 m2)
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2 3/8 in. (60 mm)
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9/16 in. (14 mm)
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4 in. (102 mm)
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1 9/16 in. (39 mm)
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4 7/8 in. (124 mm)
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2 23/32 in. (69 mm)
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2750 lbs. (1250 kg)
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1 lb. (454 g)
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