The Andis #40 Replacement Clipper Blade is a chrome plated, carbon-edged blade set for Andis detachable blade clippers. Can also be used with other brands of detachable type clippers. Andis' universal attachment combs will fit this blade set. Cuts at a height of .25mm (1/100") Blades fit all Andis, AG, AGC, AGR, MBG and Oster A-5 Models.