Notes: 21134 HEX HEAD SCREW M12X1.25X25 8.8 is original CARRARO product. 21134 HEX HEAD SCREW M12X1.25X25 8.84 is commonly used in transmissions/axles/engines 359100, 420293, 420293, 359100, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849