GPM Harden Steel+Aluminum Front or Rear Adjustable CVD Drive Shaft+Hex Adapter+Wheel Lock(Blue)-12pc set #TXMS123F-RB-B

Major advantages of upgrading to this part/product :
1. The design has upgraded from cross head design to CVD swing joint for stronger power transmission.
2. Harden steel joint with alloy 6061 T6 body combination with axle increased from 6mm to 8mm for stronger and more powerful use but maintain light in weight.
3. Adjustable design with better suspension and durability.