FJM Security SPSA60-KD 2-3/8" Triple Chrome Plated D-Shaped Security Padlock, Keyed Different - 12 Pack Constructed out of durable hardened steel and is triple chrome plated making the SOBO uniquely suited to outdoor and marine environments Padlock is heel toe locking with a freely rotating hardened steel shackle leaving no weak spots on the SOBO, this prevents attacks by cutting or sawing The lock's durable and weather resistant chrome exterior and its unique D shape make it the perfect solution for securing containers, gates and storage units Padlock comes with 4 unique European style keys and is key retaining - the keys can only be removed from the padlock when it is in the locked position FJM Security locks ship keyed different - each key set fits a different lock. A great solution for an added layer of security (also available keyed alike)