Elevator Arm Set HS1009-1Instruction:Use for T-REX450X/XLSpecification:Elevator control arm link x 2(19x45x3.5mm)Elevator control arm Pin x 2(ŁX1.5x18.7mm)Elevator control arm x 1Elevator control arm shaft x 1Elevator arm lever x 1Screw x 2(M2x12)