100 PACK 5YA1 KEY BLANKS FOR LOCKSMITH FITS Y1 KEY SET BRASS FINISH Y1 KEY BLANK Style: 5YA1 (Y1) Keys are made from premium brass material and are a must-have for locksmiths.Durable: This high-quality key blank made from durable brass can be used with several locks.Professional: Easily customized by locksmiths, it is uncut and allows for easy customization.