With the Kum 4 in 1 Sharpener you’ll have more difficulty finding a pencil that it can’t sharpen! This sharpener features a 2 hole sharpener on one end for 8 & 11 mm diameter pencils, and on the other end a 2 hole sharpener for 7 & 10 mm diameter pencils. The 4 in 1 Sharpener collects shaving, and can be empted from both end which feature caps to keep shavings from falling loose