Welcome to our store. Our merchandise have reasonably priced prices and nice quality. We supportdropshippingandwholesale. If you desire to work with us for a protracted time, please touch us and we will offer you a completely favorable charge Regards! More durable, utilizing high-toughness PC material, anti-collision, long carrier lifestyles More flexible, extra agile, more violent Higher efficiency and more delicate Compact size, exquisite look Compatible with for POPO formula Item name:Spitfire T5147 Porpeller Diameter of prop:5 Inch Center Thickness:7mm Center Hole Inner Diameter:5mm POPO Adapive motor:2205-2306 Due to various batches, the printed phrases on the product may be different, which would no longer impression use. Colour:Black Material:PC Package Contents: 4 Pairs * Propellers (4CW+4CCW) Only the above equipment content, different merchandise will not be included. Note: Light mirrored image and various exhibits can cause the colour of the object in the picture slightly various from the real thing. The size allowed error is +/- 1-3cm.