This listing is for Box of 50 blanks JMA ER-2E ERA Cylinder key blanks - Silca ER2 - HD ER6. 
All new in original box ready to use. 

Cross Reference

CB Hook       7732

Silca               ER2

HD                 ER6

KL                  ERA2

Errebi             ERA2

HD Hook       H0667

Keyprint         H255K

HD Hook         H667