Semi Symmetrical Scale Rotor Blades (450-Size) Set of 5

The world first scale narrow injection mold rotor blade for 450-480 size scale models. It is produced by high precision injection mold machine.The special design semi-symmetrical airfoil offer more high lift than symmetrical blades , with less power lost and gain more flight time ,The blades length is 340 mm total ,it's possible to cut to the length you like . It is factory balanced in high precision scale and thus quality is guaranteed. Rotor blades are made of special flexible plastic with carbon. It is specially designed for rigid rotor head and multi- blade rotor head. The flexible plastic material provides special "crash resistance". Length : 310 mm Width : 23 mm Blades grip : 5mm Screw : 3 mm weight : 29g/piece Airfoil : Semi-Symmetrical (clockwise)