Fit Singer 127-3 (MOST), 127-12 (MOST), 127K (MOST), 127K3 (MOST), 127K4 (MOST), 128-3 (MOST), 128-4 (MOST), 128-8 (MOST), 128-12 (MOST), 128-13 (MOST), 128-18 (MOST), 128-23 (MOST), 128K (MOST), 128K3 (MOST), 128K4 (MOST) Set of 5 bobbins and 1 shuttle bobbin case #83505+8228 Fit Singer 127-3 (MOST), 127-12 (MOST), 127K (MOST), 127K3 (MOST), 127K4 (MOST), 128-3 (MOST), 128-4 (MOST), 128-8 (MOST), 128-12 (MOST), 128-13 (MOST), 128-18 (MOST), 128-23 (MOST), 128K (MOST), 128K3 (MOST), 128K4 (MOST) Fit Singer 28-1, 28-2, 28-3, 28-4, 28-8, 28-9, 28K1, 28K2, 28K3, 28K4 Fit Singer Singer Model: 27-1, 27-2, 27-3, 27-4, 27K-1, 27K-2, 27K-3, 27K-4 Part number: # 83505+8228 ASIN B0FJL8RW3Y Item Weight 1 ounces Manufacturer YICBOR Item model number no Product Dimensions 1.8 x 0.5 x 0.5 inches