<br><b>Features:</b> <br> <br>Metric (mm) - 60° <br> <br>6.0, 5.5, 5.0, 4.5, 4.0, 3.5. <br>3.0, 2.5, 2.0, 1.75, 1.5, 1.25. <br>1.0, 0.9, 0.8, 0.75, 0.7, 0.6. <br>0.5, 0.45, 0.4, 0.35, 0.3, 0.25. <br> <br>Whitworth - 55°: <br> <br>62G, 60G, 48G, 40G, 36G, 32G, 30G, <br>28G, 26G, 25G, 24G, 22G, 20G, 19G, <br>18G, 16G, 14G, 13G, 12G, 11G, 10G, <br>9G, 8G, 7G, 6G, 5G, 4 1/2 G, 4G <br> <br><b>Application:</b> <br> <br>It is most useful for checking tool angle while cutting threads in metal turning lathes. <br>The angles on the thread cutting tool is checked on the V slots in the gauge. <br> <br>Package Weight : 80 G / 2.82 Ounces <br>Package Dimensions (L*W*H) : 70*20*20 MM / 2.76*0.79*0.79 Inches <br> <br><b>Package Include:</b> <br> <br>1 x Screw Gauge Set