Guarantees you sharpen at the proper angle of the bladekeeps hands safeso easy anyone can do it read belowcheap to make sharp bladesconspita to use with anything more than small to average pocket knife as the clamp doesnt really grip well causing knife to slidesafety is a concern once the knife slips arounddoes not like to hold onto beveled blades well causing more slippingthe stones for the most part are junk

Prosmakes blades real sharp with little effort