The Work Sharp Blade Grinding Attachment uses 1”x18” engineered abrasive belts in a wide range of grits. The 4 pulley system is fully adjustable from 10° to 35° in 1° increments and the belt speed is adjustable from 1200-2800 square feet per minute to accommodate a wide range of sharpening and honing tasks. This high quality Work Sharp Blade Grinding Attachment is constructed using cast metal components and engineered polymers built to endure even the most heavy shaping and sharpening tasks. The center position of the top two pulleys is adjustable to set your preferred belt deflection. The unit quickly connects to the Ken Onion Edition Knife & Tool Sharpener without tools, and belts are easily changed by hand.