Multiplex EasyGlider/Cularis Spinner - 5 mm/55 mm/8 mm (RB403741)
The design allows excellent motor cooling and includes an adaptor (compression fit) for 5mm motor shafts. Can be used with Multiplex, Graupner or Aeronaut folding blades with an 8mm root. Blade root width: 8mm (0.315in).