MERC50/X4 Security Chain and Padlock Set 

The MERC50/X4 combines Squire’s trusted X4 Hardened Steel Chain with the robust Mercury® 50 Boron Hardened Steel Shackle Padlock, delivering a dependable security solution for everyday protection of bicycles, gates, garden equipment, and other valuables. This set is engineered for users who demand both versatility and high security in one package.

The X4 chain is manufactured from tough 10 mm hardened steel square-section links, offering even greater resistance to cutting and tampering while remaining practical and easy to handle. With a 1200 mm length, it provides extended and flexible securing options across a wide range of applications, making it ideal for larger items or securing multiple objects together. Each chain is fitted with a durable grey protective sleeve to guard against weather exposure and prevent scratching to your property. Rated at 7 out of 10 for security, the X4 chain delivers enhanced performance for general-purpose and higher-risk security needs and is part of Squire’s renowned range of security chains, backed by over 240 years of expertise.

Paired with the chain is the Mercury® 50 padlock, a high security open shackle padlock designed for toughness. Featuring a 2.16-inch (55mm) die-cast steel body and a 0.38 inch (9.5mm) diameter boron steel shackle, this padlock provides maximum resistance to cutting and cropping. The precision-engineered anti-pick key cylinder ensures high security, while the rugged body enhances durability. Supplied with three keys and protected by Squire’s 10-year USA warranty, the Mercury® 50 padlock is built for long-lasting performance.

Key Features:
• 10 mm hardened steel square-section chain, 1200 mm length
• Durable grey protective sleeve for weather and scratch resistance
• Security rating 7/10, ideal for higher-risk and general use
• Mercury® 50 padlock with boron hardened steel shackle
• 2.16-inch die-cast steel body, anti-pick key cylinder
• Supplied with 3 keys, 10-year warranty

Choose the MERC50/X4 set for reliable, enhanced security from Squire.