Feature: 1. Lightweight and stable flying, 2. Made of durable materials with high rigidity, providing strong pulling force for the aircraft, 4. Accurate size, stable, no paddles, and not easy to loosen, 3. Press design, quick release design, easy to disassemble and durable. Description: Material: PC Applicable models: for FPV Combo Color: Red Edge, Phnom Penh, Silver Edge Net weight: 10.3g (one pair), 20.4g (two pairs), 42g (four pairs) Package weight: 35g (one pair), 55g (two pairs), 44.9g (four pairs) (tentative) Product size: 11.8*11.8*1.05cm Package size: 12*11.5*3cm (a pair), 12*11.5*4.5cm (two pairs), 20.8*14.8cm (four pairs) Packing list: 1pcs Propeller (a pair)Boxed 1pcs propeller (two pairs)Boxed 1pcs propeller (four pairs)Bagged Note: 1.Does not include Drone, 2.Transition: 1cm=10mm=0.39inch, 3.Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering, 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item,please make sure you do not mind before ordering, Thank you!