5 Series Single Block with Becket, 5.7 oz.

5 Series Single Block with Becket, 5.7 oz.

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  • In Stock
Fulfilled by Vendor, typically 2-3 weeks.

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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