Thread tension assembly with release pin.

• Part # 52092
• Please be advised that oils seal is not included.
• Diameter of barrel: 17.5 mm

Fits Singer models: 195K, 196K, 241 Class, 245 Class, 251 Class, 281 Class, 291U, 366K, 391U, 491D, 491U, 770D, 95 class, 96 class