T-REX SF MIXING LEVER SET (XL) HS1072. High precise SF mixing lever with dual bearings, Flybar seesaw holder x 1, SF Mixing lever x 2, Bearing MR52ZZ x 6(2x5x2.5mm), Bearing screw x 2(M2x9), Bearing screw x 2(?4.5x7), Holder collar x 2, Linkage ball x 4, Cross screw x 4(M2x6.5), Washer x 4(?2x?3.8x0.2mm), Washer x 2(?2x?3.8x0.5mm), Use for T-REX450X/XL. Align