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5 Series Single Block with Becket, 5.7 oz.
Model #
285496
Mfg #
504-15
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Schaefer Aluminum single block with removable becket for use with boom and mainsheet vang systems.
Used extensively for sheet blocks on small- to mid-sized keelboats, and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small- to mid-sized boats. Adaptable universal three-way head. Black anodized aluminum or stainless steel cheeks. Stainless steel straps and posts.
Key Features
- 3-Way swivel head can be set to swivel 360° or can be locked to avoid twist
- Universal design suits diverse applications and mounting options
- Single with snap shackle and fiddle styles
- Smooth UV resistant, Delrin™ sheave
- Accepts Schaefer "universal" adapters for custom mounting
- High strength to weight ratio
Ball Bearings
Plain Bearings
Becket
Becket
Diameter
7/16 Inch or 11 mm
Direction
Any
Integral Cleat
No Integral Cleat
Length
5 17/32 Inches
Mount Type
Swivel Shackle
Ratchet
Non Ratcheting
Safe Working Load
1750 Pounds
Type
Single
Weight
5.7 Ounces
Sheave Diameter
51 mm
