Use for T-REX450X/XL Washout ase(with collar) x 1 Flybar control lever x 2 Washout linkage x 2 Pin x 2(F1.1x7 ) Bearing MR52ZZ x 4(2x5x2.5mm) Washer x 4(F2xF3.8x0.2mm) Bearing screw x 2(M2x9)