ABUS 37/80 Alloy steel padlock
The Alloy steel padlock is 25000 pounds of tensile strength. Most importantly, the core of this lock 65 Rockwell core-hardened lock body and shackle. The Shackle diameter is 9/16 inch beside horizontal clearance. Both are 13/16 inches, and vertical clearance is 13/16 inches. The key retaining for added security and cylinder inserted to form the top as optimum drill and resistance. The hardened bottom steel plate gives additional protection against physical attacks. This ABUS 37/80 Alloy steel padlock is maybe your right choice.