Notes: 126710 STUD ACCIAIO CL. 10.9 UNI EN 20898 R18X2 is original CARRARO product. 126710 STUD ACCIAIO CL. 10.9 UNI EN 20898 R18X25 is commonly used in transmissions/axles/engines 133580, 133583, 134176, 134852, 134853, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849