塞尺是由优质回火钢精精密抛光制成 塞尺成锥形状 塞尺上有清晰的厚度标号，非常容易辨认 塞尺长度为100mm 符合德国DIN863质量生产标准 32片含:0.03,0.04,0.05,0.06,0.07,0.08,0.09,0.10,0.13,0.15,0.18,0.20,0.23,0.25,0.28,0.30,0.330.35,0.38,0.40,0.45,0.50,0.55,0.60,0.63,0.65,0.70,0.75,0.80,0.85,0.90,1.00mm