用于测试各类印刷膜材的质量，使用户能及时调整，避免误印，准确度高。产品规格：38、40、42、44......54度(英国舒曼) 【Sherman treaters】Dyne pen For testing the quality of all kinds of printing membrane material , use the family to adjust in time, avoid printing by mistake , accuracy is high. Product specification: 38, 40, 42,44...54 degrees
