Instruction: ˇ´Use for T-REX 500. Specification:ˇ´Linkage rod(A) x 2(Φ1.96x13.5mm) ˇ´Linkage rod(B) x 2(Φ1.96x10mm) ˇ´Linkage rod(C) x 2(Φ1.96x34m) ˇ´Linkage rod(D) x 3(Φ1.96x31mm)