Andis 64295 CeramicEdge clipper blade, size 4FC. Leaves Hair Inch 3/8 ". Leaves Hair mm 9.5 mm. Ceramic blade set for Andis detachable blade clippers. Use this blade set after using size #4 skip tooth blade (item #64305). 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.