Andis 64370 CeramicEdge clipper blade, size 5FC. Leaves Hair Inch 1/4 ". Leaves Hair mm 6.3 mm. Ceramic blade set for Andis detachable blade clippers. Use this blade set after using size #5 skip tooth blade (item #64300). Can also be used with other brands of detachable type clippers. CeramicEdge blades feature a certified zirconium oxide ceramic cutter blade. CeramicEdge blades offer the following advantages Higher durability, stays sharper longer. Cutter runs 75% cooler than steel. Feature a smoother, faster cutting feel regardless of length or density. Break resistant material. For Andis detachable blade clippers. Can also be used with other brands of detachable type clippers.