Squire's J4 Hardened Alloy Steel Chain is a reliable security solution designed to protect bicycles with high precision and strength. Crafted from durable hardened alloy steel, this chain offers excellent resistance against cutting and tampering, ensuring your assets remain secure. The J4 chain features a 0.31-inch (8mm) link diameter and a 47.2-inch (1200mm) length, making it versatile for various security applications. Each chain is encased in Squire's signature blue sleeve, providing protection against the elements and preventing scratches on your equipment. 

Key Features:

• Hardened alloy steel construction for enhanced security.
• 0.31-inch (8mm) link diameter for reliable resistance to cutting and tampering.
• 47.2-inch (1200mm) chain length for versatile security applications.
• Sold Secure Silver Bicycle approval for trusted protection.
• Covered with Squire's signature blue sleeve for added durability and protection.

The J4 chain is part of Squire's extensive range of high-security chains, offering various sizes with diameters ranging from 0.31 inches to 0.87 inches (8mm to 22mm) and lengths up to 6.56 feet (2m). Trust Squire, the trusted name in security solutions, to provide the protection you need.