50 mm. Padlock BRL500LKA 

2 pc. Chrome Plated Hardened Long Shackle , Laminated Steel Body.
Item #: H330558680 
Chrome Hardened Steel Shackle, Laminated Steel Body Reinforces The Durability Of The Padlock Mechanism. High Security Locking Device, Stainless Steel Springs For Smooth Working Action, Solid Brass Pins For Accuracy And Pick Resistance. 4 Brass Keys Alike.