Notes: 21494 SLOTTED SET SCREW UNI 5929 M10X10 45H is original CARRARO product. 21494 SLOTTED SET SCREW UNI 5929 M10X10 45H5 is commonly used in transmissions/axles/engines 134998, 138075, 139242, 139275, 139376, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849