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Products: Smartplugs ใช้วัดขนาดรูในเวลาที่รวดเร็วมากๆ Brand: Bowers Metrology (Made in UK) Q: What is the product range of Smartplugs. A: 6-20mm (0.236″- 0.787″) with M6x0.75 thread fitting. 15-280mm (0.590″-11.025″) with M10x1 thread fitting. Q:What is the working range of each SmartPlug, in other words …