39 New Design Punches. This is a new set of 39 design punches. Great for adding figures and values to silver, brass and other soft metals. Each is made of hardened steel for decorating all types of jewelry items. These give an artistic effect and enable the designer to personalize each piece. If used properly these stamps will last for years. All have round shanks and measure approximately 3 1/4" (95 mm) long.