Notes: 22119 HEXAGON NUT UNI 5588 M10 is original CARRARO product. 22119 HEXAGON NUT UNI 5588 M105 is commonly used in transmissions/axles/engines 134803, 136651, 139514, 139555, 140964, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849