Clip Snap-On comb is designed to fit Andis Laube Oster and Wahl clippers * Combs increase the usefulness of electric clippers by controlling the depth of the cut * Allowing to cut hair to a uniform length * Can be snapped on to #40 #30 and #10 A5 blades * This Snap-On clip comes in 1.5 size; each comb measures 1/2-inch size