Instruction: ??Apply for T-REX 500E PRO / 500EFL PRO Specification: ??Socket button head screw x 2(T2.6x14mm) ??Socket button head screw x 6(T2.6x8mm) ??M2.5 screw x 4(M2.5x12mm) ??Socket screw x 2(M2.5x10mm) ??Socket screw x 18(M2.5x6mm) ??Socket screw x 4(M3x6mm) ??Washer x 2(?2.6x?5.8x0.6mm) ??Weight:14.7g