Notes: 21408 HEX SOCKET HEAD CAP SCREW UNI 5931 M10X3 is original CARRARO product. 21408 HEX SOCKET HEAD CAP SCREW UNI 5931 M10X35 is commonly used in transmissions/axles/engines 139111, 141989, 145169, 145293, 145294, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849