Original Kenmore Bobbin Cover with Spring.

Plate measures 3 5/16" wide and about 3 1/8" on the long side. 

Part # 28960, same as KM32750, 32750

Fits Kenmore models: 158.13050, 158.13150, 158.13160, 158.13170, 158.13180, 158.140, 158.14001, 158.14002, 158.14100, 158.150, 158.151, 158.152, 158.16000, 158.16010, 158.16012, 158.16490, 158.16510, 158.16520, 158.16530, 158.16540, 158.17500, 158.17501, 158.17520, 158.17530, 158.17540, 158.17550, 158.17560, 158.17570, 158.17571, 158.17572, 158.18022, 158.540, 158.542, 158.650, 158.680, 158.850, 158.920, 158.921, 158.923, 158.924, 158.950, 158.960