A6170.80 Overlocker Needles: Type A: 5 Pieces. A6171.80 Overlocker Needles: Type B: 3 Pieces. A6174.80 Overlocker Needles: Type K: 3 Pieces. A6178.80 Overlocker Needles: Type E: 5 Pieces. Klasse Sewing Machine Needles Various Types.
eBay