Caprella Two-Step Sharpener. Dimensions: 3 inch x 2.5 inch. Non-slip base. Crossed carbide blades and triangular ceramic rods. Pre-set sharpening angles. 420 stainless frame Dimensions: 3 inch x 2.5 inch Non-slip base Crossed carbide blades and triangular ceramic rods Pre-set sharpening angles 420 stainless frame Sharpens Straight and Serated Blades