The ultimate touch-up sharpener for maintaining sharp edges everywhere you need them. Polymer housing holds two medium rods at pre-set angles to ensure ease and accuracy for sharpening, plus two fine sharpening rods for polishing the sharpened edge.Slip-resistant rubber pads provide the user with a secure grip. Sharpens all knives including serrated edges.Size: 2.63" x 2.75" (67 mm x 70 mm)Weight: 1.6 ounces (.04732 kgs)How to use:To sharpen, begin with the medium (brown) Sharpening rods. Simply place the heel of the knife perpendicular to the work surface. Carefully draw the knife blade along the rod in a "slicing" motion to tip of the blade. Repeat with the other side of the blade 10-15 times. To polish, turn over the Super Micro-X and use the fine ceramic rods (white) in the same way.