Allen 16mm Deck Double Block

The Allen 16mm Deck Double Block is a compact and lightweight through-deck lead block designed to provide smooth and efficient line management for a wide range of sailing and marine applications. Its low-profile design allows lines to be redirected cleanly through decks, bulkheads, and other mounting surfaces while maintaining minimal friction and a neat, professional finish.

Featuring a simple yet highly effective design, this double sheave block is ideal for control lines, sail adjustment systems, and lightweight rigging setups on dinghies, keelboats, and performance sailing craft. Its compact construction helps reduce deck clutter while ensuring reliable performance in demanding marine environments.

Part of Allen’s trusted range of lightweight sailing hardware, the 16mm Deck Double Block offers durability, efficient line handling, and easy integration into modern rigging systems.

Key Features

• Lightweight through-deck double lead block
• Compact, low-profile design
• Smooth line guidance and efficient load distribution
• Ideal for control lines and sail handling systems
• Suitable for dinghies, keelboats, and performance sailing applications
• Durable construction for marine environments
• Easy to install and integrate into deck layouts

Applications

• Through-deck line routing
• Control line systems
• Cunningham and outhaul systems
• Dinghy rigging
• Performance sailing setups
• General marine rope management

Specifications

• Sheave Diameter: 16mm
• Length: 38mm
• Suitable Line Diameter: 2–5mm
• Breaking Load: 275kg

The Allen 16mm Deck Double Block is an excellent solution for sailors seeking a lightweight, reliable, and efficient through-deck block for precise line control and clean deck organisation.