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57mm Single Swivel Shackle, Fiddle Block

item NO.:SSC-5719F
  • Stainless Steel Blocks

    Hercules blocks are specialized made for cruising boats to handle extremely high loads. They are made by one piece machine made sideplate for perfect balance between weight and strength. Sleeve and side ball bearing provide smooth rotation for extreme high loads. All materials are UV-resistant adn anti-corrosion for maximum protection and long lasting durability.

    Hercules single and fiddle blocks are ideal for vang and mainsheet systems. Foot models with jammers can be used on the deck to guide lines and secure sheets.


    57mm Single Swivel Shackle, Fiddle Block
    SSC-5719F
    $


    MATERIALS
    • Sheave: Self-lubricant acetal composite
    • Ball Bearing: 316 stainless steel sleeve bearing and two races Derlin® ball bearing
    • Sideplates/frames: 316 stainless steel
    • Shackle: Forged  Grade 316 stainless steel / tool-free lever lock mechanism

    APPLICATIONS
    • Mainsheet system
    • Mast foot blocks and Mast head blocks
    • Halyard tuning and vang
    • Control lines on boats of all sizes
    Do not use Master  products for human suspension!
     

     

  • SPECS

    Sheave Ø (mm) 57mm Sheave Ø (in) 2 1/3 in
    Maximum line Ø (mm) 16 mm Maximum line Ø (in) 5/8 in
    Weight (g) 671 g Weight (oz) 23.67 oz
    Maximum working load (kg) 1300 kg Maximum working load (lb) 2866 lb
    Maximum breaking load (kg) 2400 kg Maximum breaking load (lb) 5291 lb