Zinc, 4 Dial Padlock, 1" Shackle, Set Combination With Words Instead Of Numbers, Easy To Set & Reset, No Confusing Numbers To Remember, 10,000 Word & Letter Combinations, Flexibility To Create Your Own Combination, Great For Lockers, Tool Boxes, Gates, For Indoor & Outdoor Use, Made Of Zinc Casting For Maximum Security, Black Protective Plating, Hardened Steel Shackle, Award Winning Technology.