How To Use? Turn the screw cap counterclockwise, clamp your chisel or other knife tools, move up and down to adjust freely blade angle. Then tighten the screw cap clockwise, the blade edge is smoothly fitted to the whetstone or sharpening stones, slide the knife back and forth until your tools become sharper and more precise!
Yes! This tool allows you to sharpen at nearly any angle you please by adjusting tool projection. Projection measurements for 25° and 30° angles can be conveniently located on the packaging and on the cast aluminum body of the tool for your convenience and ease of use.