Stainless steel, hardened case 9/32" (7mm) steel shackle for extra cut resistance. Double armored construction. Automatic locking lever. Secure three number dialing. Combination security for keyless convenience. Tough under fire. Padlock. World best selling combination lock. #1500d. Suggested uses: sheds, cabinets, gates and much more. Master Lock: Combing pad lock 1500D. Master Lock Brand.