Antal Mainsheet Block with Cam Cleat for E8/60

The Antal Mainsheet Block with Cam Cleat for E8/60 is the primary lower block used in Antal’s Size 60, 8:1 mainsheet system for yachts up to approximately 36 feet. Designed to deliver maximum mechanical advantage in a compact format, this block provides powerful, precise mainsail control with smooth, low-friction operation.

Built around a 60 mm primary sheave with a triple arrangement of 50 mm secondary sheaves, this configuration enables the higher 8:1 purchase while maintaining efficient load distribution. An integrated becket on the upper triple block allows the mainsheet to be anchored directly within the lower assembly, while the cam cleat provides secure and convenient control from the cockpit.

Key Features

• Core Component of E8/60 System
  Designed specifically for use in an 8:1 mainsheet configuration, forming the lower block of the complete Antal system.
• Optimised Sheave Layout
  • 1 × 60 mm primary sheave (load-bearing)
  • 3 × 50 mm secondary sheaves
    Provides maximum purchase while maintaining a compact and efficient design.
• Integrated Becket
  Located on the upper triple block, allowing the mainsheet to start directly from the lower assembly and simplifying system layout.
• Integrated Cam Cleat
  Enables fast, secure cleating and controlled release during trimming.
• Smooth, Low-Friction Operation
  Ball-bearing sheaves ensure consistent, efficient performance under load.
• Marine-Grade Construction
  Manufactured from anodised aluminium and stainless steel for durability and corrosion resistance.

Specifications

• Sheave Sizes: 60 mm (primary), 50 mm (secondary)
• Becket: Integrated (on upper triple block)
• Cam Cleat: Integrated
• Maximum Rope Diameter: Ø10 mm
• Safe Working Load (SWL): 800 kg
• Recommended Boat Size: Up to 36 ft (11 m)

System Integration

To create a complete 8:1 mainsheet system, this block is paired with:

• 1 × 50 mm single block (boom mounted)
• 1 × 50 mm triple block (boom mounted)

With the becket integrated into the lower assembly, the boom blocks can remain simple, non-becket types while still achieving the full 8:1 purchase.

Alternatively, this block is available as part of the Antal E8/60 Mainsheet Tackle – Complete, which includes all matching components pre-configured for optimal performance.

The Antal E8/60 lower block is ideal for sailors seeking maximum control in a compact system, offering smooth operation and reliable performance for precise mainsheet trimming.