SOBO SPPO60-KD Full Shrouded High Security Heavy Duty Padlock, Keyed Different Hardened steel and chrome plated shackle making it great for marine use Heel and toe locking with a shrouded shackle preventing cutting and sawing Durable and weather resistant ABS plastic body protecting it from the elements Pick resistant as the keyway requires a 90 degree turn prior to connecting with disks Key retaining and comes with 4 keys