RC Model Boat 2 Blade Nylon Propeller 3.17/4/4.2/4.8mm Right / Left Hand 30-45mm
RC Boat Model Toy 2 Blade Nylon Plastic Propeller Bore 3.17mm 4mm 4.2mm 4.8mm Right Hand Left Hand 30mm - 45mm Parts Accs DIY. 4.8mm x 45mm. Propellers with 4.8mm holes can be used on top of 4mm shaft system assemblies.