Instruction:ˇ´Use for T-REX 700 Nitro Pro. Specification: ˇ´Aluminum tail boom x 2(Φ20xΦ21.5x785mm) ˇ´Tail control guide x 3 ˇ´Rudder control rod(B) x 1(Φ2x778mm) ˇ´Boll link x 2(Φ5x20.5mm)