This Andis blade is chrome plated and carbon-edged for Andis detachable blade clippers. It can also be used with other brands of detachable type clippers. You can use this blade with multiple types of clippers and attaches easily. Andis? universal attachment combs will also fit this blade set. Size 3 3/4 Carbon-Edged Blade Leaves Hair 1/2" Can Also Be Used With Other Brands Of Detachable Type Clippers