Smith s 2-Step Diamond Adjustable Knife Sharpener features two diamond rods and two ceramic rods with 3-preset 15, 20, and 25-degree sharpening angles for the perfect edge every time. Three or four strokes through the carbide sharpening slots will restore the edge on a very dull knife in seconds. The two crossed ceramic rods are good for a quick touchup of already sharp knives. This portable sharpener is lightweight and features a lanyard hole, non-slip rubber feet for added safety, and rubber grips for control and comfort. It can be used on all types of knives, especially fillet knives and it is perfect for all your hunting, fishing, and outdoor adventures. Product Features ADJUSTABLE Smith s 2-Step Pull-Through Sharpener has two stages of sharpening, coarse and fine. PORTABLE Features a lanyard hole so it can easily be attached to a keychain or backpack. GUARANTEED RESULTS Has 3-preset 15, 20, and 25-degree sharpening angles for the perfect edge. VERSATILE Smith s 2-Stage Sharpener can be used on all types of knives and is handy for fillet knives. DIMENSIONS 3 x 2.62 x 1.14 in., weighs under 2 oz. & will fit in your pocket, pack, or tackle box. DURABLE Has non-slip rubber feet and rubber grips for added safety.