*Used for the T-REX 250.

Included in box:
*Metal SF mixing arm x 2
*Socket button head screw x 2(0#x5mm)
*Linkage ball A(0#x2) x 4(3.5x5.3mm)
*Bearing 681X x 4(1.5x4x1.2mm)
*Washer x 2(1.5x3x0.5mm)
*Washer x 2(1.5x3x0.2mm)