Use for T-REX 250
* Use for T-REX 250.
* New tail blade grips with 90 degrees counter balance weight for effective dissipation of centripetal forces, reducing load on the rudder servo and increased the locking effectiveness of tail.

* Tail rotor hub x 1
* M2 Set screw x 1
* New metal tail rotor housing x 2
* Bearing 681ZZ x 2(1.5x4x2mm)
* Washer x 2(1.5x3.8x0.7mm)
* Socket button head screw x 2(0#x5mm)
* Socket button head screw x 2(0#x6mm)