Hellow guys, Welcome to my website, and you are watching Lecture 2 Screw Gauge ( least count, zero error, to find out diameter of wire with this). and this vIdeo is uploaded by Sarbdeep Kaur Sidhu at 2021-05-04T05:14:26-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.