Size #000 (1/50 in) replacement blade with diamond-like carbon and titanium nitride coating. This blade fits BaByliss Pro FX811 Volare X2 Red Clippers, FXB811 Volare X2 Black clippers, FX669 Volare X1 Clippers, and FX665 J1 Ultra Slim Clippers. High quality, micro serrated, titanium coated.