The Work Sharp Precision Adjust Knife Sharpener is a manual knife sharpener with an adjustable angle and three different grit levels for highly precise sharpening results. The sharpening angle can be easily adjusted from 15° to 30° in 1° increments to optimally sharpen any knife. The Tri-Brasive sharpening stone features diamond plates with grits of 320 and 600 for quick sharpening, as well as a ceramic stone for fine honing. The innovative clamping design securely holds the knife in place quickly and safely. The housing provides a stable and sturdy base for sharpening on a table or kitchen countertop.