Twin Turbine Rotary Grinder Tool Powered by Vacuum Cleaner

►Subscribe! https://bit.ly/2m1d1y7 ►T-shirts & Hoodies! https://bit.ly/2kABytm This is actually a revision of this https://goo.gl/mHP2Ff but the major difference now is that it's precisely machined, It's more durable, reliable and more efficient. Nothing can beat hobbyist's rotary tools, but it's a prototype that I wanted to try out now that I own the PocketNC (5 axis desktop milling machine). PocketNC https://goo.gl/NdTxBS Harvey endmills http://www.harveytool.com/ Instagram: johnnyq_90 Support my videos!:   / johnnyq90   Subscribe to my channel!    / johnnyq90   Follow me on Google+ https://plus.google.com/u/0/b/1046338... Follow me on Twitter!   / johnnyq90