Antal Mainsheet Block with Cam Cleat for E6/60

The Antal Mainsheet Block with Cam Cleat for E6/60 is the primary lower block used in Antal’s 6:1 mainsheet tackle system for yachts up to approximately 36 feet. It combines a robust 60 mm load-bearing sheave with two stacked 50 mm sheaves and an integrated becket, allowing the mainsheet to be anchored directly at the base of the system. The addition of a cam cleat makes this a compact, efficient, and user-friendly solution for mainsail control.

Offered as a standalone unit, this block is ideal for sailors looking to retrofit or upgrade their mainsheet system while reusing existing boom-end blocks.

Key Features

• Designed for 6:1 Mainsheet Systems
  Delivers full mechanical advantage when paired with appropriate boom blocks. The built-in becket allows for clean sheet anchoring at the block base.
• Sheave Configuration
  • 1 × 60 mm primary sheave (load bearing)
  • 2 × 50 mm sheaves (reeving), plus integrated becket
• Integrated Cam Cleat
  Positioned on the cheek for reliable and accessible mainsheet control.
• Smooth, Efficient Operation
  All sheaves feature dual ball bearings for low friction and consistent performance under load.
• Marine-Grade Build
  Constructed from hard anodised aluminium and stainless steel to resist corrosion in saltwater environments.

Specifications

• Sheave Sizes: 1 × 60 mm (lower), 2 × 50 mm (upper)
• Becket: Integrated
• Cam Cleat: Integrated
• Rope Compatibility: Up to Ø10 mm
• Safe Working Load (SWL): 800 kg
• Recommended Boat Size: Up to 36 ft (11 m)

Boom-End Block Requirement

To complete a 6:1 tackle using this block, you will need:

• 1 × Double block (50 mm sheaves)
• 1 × Single block (50 mm sheave)

Thanks to the integrated becket, the boom blocks can be simple non-becket types, making the setup straightforward and efficient.

This mainsheet block is the ideal upgrade or replacement unit for cruisers who want to enhance their sail handling performance with premium Antal hardware—without committing to a full system replacement.