This is a Betty Boop "Betty Boop &Pudgy" Kwikset key blank. These very cool key blanks will work with the following brands of locks, Kwikset, EZ-Set, Weiser, Defiant, or any key that says KW1, KW10/11 or Axxess 66. Great gift for the Betty Boop collector. Look for other great Betty Boop Keys in my store.  Please email with any questions. Please note all items shipped USPS First class with tracking #.