Link to Sand Disk Kit in Video Description Below

Cheap and no blade balance required.
3M Hookit 9173NA 5-Inch Reusable Disc Sander Kit
amzn.to/2tPQQui
How to sharpen lawn mower blade

[@minhsonbluewin294]

bravo!
very useful!
a question: do you have solutions for a short throw without buying expensive lens?
many thanks!
msn