#4FC-Finish X-Coarse. Blade cut: 5/16" - 8mm. Cuts 2.5 times faster. 100% cut testedBlack PVD coating (physical vapour deposition) provides increased service lift to the top and bottom blades. Compatible with KM-2, Bravado, Chromada, Oster A5, Andis AG, Laube and Moser Clippers.