Makeing grinder from HDD in just few minutes,open the hdd and on metal plate glue it the sand paper,power up the hdd and sharp knives easily.

<p>you really shouldn't sharpen knives that way it ruins the hardness of the metal and makes it more brittle and prone to breaking. </p>
Pretty neat! Check out my diy for a wiring time saver. I bet it would help you, and feel free to vote?

About This Instructable




Bio: My name is marjancho and I love electronics,makeing gadgets,hack and pranks.
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