BAMILL 51PC thread gauge thread pitch steel thread insert 60 degree gauge range

Features: It is most useful for checking tool angle while cutting threads in metal turning lathes. The angles on the thread cutting tool is checked on the V slots in the gauge. 60 Degree Thread/Screw Pitch Gauge GAGE WITH LOCK UP DEVICE. Specification: Material: Metal Product size: approx. 6*6*1.3cm/2.36*2.36*0.51 Net weight: approx. 61g 60 Degree 51 PCS Blades Gauge Range: 4 4.5 5 5.5 6 7 8 9 10 11 11 1/2 12 13 14 15 16 18 20 22 24 26 27 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light the picture may not reflect the actual color of the item. Thanks for your understanding.