Locksmithing, Unlimited Company Profile | Visit Website 828 S. Broom St.Wilmington, DE 19805-4245Phone:302-575-0993Fax:302-571-1677 Products Manual Punch for Sargent Blanks. Company Product Punch Sargent blanks to factory specifications including spaces, depths, angle and tollerances. Product • March 29th, 2011 Want to know more about this company? Click here to request more information about Locksmithing, Unlimited .