High-quality Material: Made of high-quality iron, it has excellent flexibility, high temperature resistance and good corrosion resistance. Drive Shaft - C506000390 | Fast Shipping - Repair Clinic Aazon.co: Technology Parts Store Driveshaft-Flexible c506000500... Echo Reducer ECHO Flexible Drive Shaft SRM-266 SRM-230 SRM-280 C506000390 Genuine Flex Shaft It is not easy to rust after long-term use, reducing the frequency of replacement and extending the service life For Sale Today Brand new genuine OEM Echo flex shaft flexible driveshaft   for the following model Echo units:  Refer to part numbers 61001344730.                   Part C506000390  (DRIVESHAFT - FLEXIBLE) Where Used: · SRM-266T S/N: T42411001001 - T42411999999-->Main Pipe S/N T42411006655 Echo C506000390 Flex Shaft - Arlington Power Equipment Easy to Install: You get a flexible drive shaft with a length of 1525mm. High Safety: Flex shaft can effectively absorb the vibration caused by uneven ground, prevent huge stress from directly acting on the engine output shaft or blade shaft, effectively protect the blade and power system of the mower from damage, and improve the safety of equipment use