Groz-Beckert GB 16X231 ~ Nm 80/12FFG (Pack of 10 Needles) Groz-Beckert GB 16X231 Nm 80/12FFG (Pack of 10 Needles) DB x 1, 1738, 16 x 257, 71 x 1, 16 x231, 287 WH, DB X 257 038243088 G