100 each Organ Sewing Needle 16x63 2077 16x113 TFx63, 

45mm, 1-3/4" long

Designed to work in Singer commercial sewing machine models requiring the 16x63 needle system including most 

Singer 16, 16U, 31, 32-36, 32, 33, 44-23, 44K, 56, 61-1, 61-14, 331K5, 3861 series models and Rex 26 188