Introducing the DCL1/J3 Disc Padlock & Chain by Squire Locks. Its Stainless steel lock body with closed shackle design offers high level security for domestic & commercial applications. For extra security, the 5 pin tumbler lock mechanism is protected by a hardened steel anti-drill plate to keep out those nasty criminals. The chain is made from a tough Hardened alloy steel, which altogether boasts a fantastic Silver Sold Secure rating.