Sea Sure 00.13CRD 25mm Single Block with V-Jam and Becket

The Sea Sure 25mm single block with V-jammer is a versatile marine pulley system designed for sailboat rigging, lifting applications, and mechanical advantage systems. This model features a becket attachment for splicing or tying off, combined with an integrated V-jammer for secure line locking.

Construction and Materials:

• Marine-grade stainless steel side plates and rivets with arnite (plastic) sheave
• Durable and lightweight design for long-term use
• Plain bearing system suitable for moderate to high load applications
• 25mm sheave diameter accommodates lines up to 8mm

Features and Applications:

• V-jammer cleat allows quick line locking without knots
• Becket attachment point for creating purchase systems
• Can be used to create a 2:1 purchase system for lifting that can be easily locked off
• Ideal for control lines, halyards, and adjustable rigging
• Also suitable for non-marine applications like garage door mechanisms and storage solutions

Part of Sea Sure's oldest and best-selling block ranges, this single block combines functionality with reliable performance for sailing and general purpose rigging applications.