Features: l 100% brand new and high quality l Light weight, good quality, not easy to break l Strong structure and high wear resistance, providing good performance for your aircraft l Easy to install, spare blades make flying more enjoyable Specification: l Material: PC l Color: Black l Size:14.6x1.8x0.61cm l Applicable Models: for Holy Stone HS 720G Package: l 2x A2 Propellers, 2x B2 Propellers, 10x Screws, 1x Screwdriver Note: l Does not include Drone l Transition: 1cm=10mm=0.39inch l Since the size and weight are manually measured, due to different measurement methods, there may be a certain error between the weight and size of the product, but this error does not affect the normal use of the product, please confirm that you know and accept the error before purchasing l 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!