●Use for T-REX 700 Nitro Pro.●Main shaft spacer (1) x 1 (Φ12xΦ16x1mm)●Main shaft spacer (1.2) x 1 (Φ12xΦ16x1.2mm)●Main shaft spacer (0.8) x 1 (Φ12xΦ16x0.8mm)●Main shaft spacer (0.5) x 1 (Φ12xΦ16x0.5mm)