50mm Closed Shackle Padlock With A 10mm Hardened Alloy Steel Chain
Given one of the highest ratings of any chain lock. Squire has been making padlocks since 1780, and the stronghold has been a flagship in the bicycle locking department.
A high-performance Sold Secure Gold rating means this lock will give you the peace of mind when locking up. A 50mm hardened solid steel closed shackle lock body means that this is an incredibly strong option for bicycle security.
Electrophoretic Anti-corrosion finish means this won’t be affected by the elements.
A 10mm link diameter hardened alloy chain that is coated with a black sleeve gives you a lock distance of 900mm (which is the complete length of the chain), perfect for securing your bikes at home or work.
Features
Sold Secure Bicycle Gold Lock & Chain Set
A high-performance, high-security lock and chain set. 
Stronghold 50mm Hardened Solid Steel Closed Shackle Lock Body.
10mm Hardened Boron Alloy Steel Shackle. 
Electrophoretic Anti-corrosion finish.
6 Pin Cylinder offering over 250,000 possible key differs.
Anti-drill protection.
Cen Grade 4 Padlock.
Comes complete with 10mm Link Diameter Hardened Alloy Steel Chain with Black Sleeve. 
900mm Length