Knife sharpener

YOU NEED:
1x LM8UU (https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20191116021721&SearchText=lm8uu)

1x ROD 8mm lenght aprox. 350mm (https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20191116021759&SearchText=rod+8mm)