硬鋼的限製印章。27個字母郵票，A-Z和&字符。用於衝壓材料的拉伸強度高達200kp /mm²。由淬硬的鋼和一個回火的衝頭製成。裝在塑料盒裏。根據DIN 7353製造。符號符合DIN 1451(窄)。根據58-61 HRC在雕刻麵硬化。向衝壓表麵傾斜的邊緣，以提高精度。每枚郵票上標有:符號、符號大小及國際護眼符號。 Supplied in a strong impact-resistant plastic box. Assorted stamps can be purchased loose, but there is a minimum of 5 pcs per order.
