Two piece shackle padlock

A padlock for use with a hasp device having a hasp staple opening with a lateral dimension and a longitudinal dimension, said padlock comprising:

• a lock body;
• a first shackle element and a second shackle element, each of said shackle elements having a first free end and a second end associated with said lock body, at least one of said first and second shackle elements being moveable between an open position at which said first free ends of said first and second shackle elements can be inserted into or removed from the hasp staple opening of a hasp device and a closed position, said first and second shackle elements being hingably connected to one another by a hinge formed of a single continuous piece of material, said first and second elements being sized and arranged such that when said first and second shackle elements are in said closed position in a hasp staple opening, said first and second shackle elements are capable of substantially filling the hasp staple opening in at least one dimension so as to minimize access to said first and second shackle elements;
• and
• a lock associated with said lock body and at least one of said first and second shackle elements for selectively securing said first and second shackle elements in said closed position and releasing said first and second shackle elements from said closed position.