Description: Made of high-quality materials, reliable and durable. Repair parts, used for accidental damage replacement, making repairs more worry-free. Long service life and easy to install. Easy to install without any instruction. High performance and it is in great reliability,cause it has been through testing standards. Specification: Material: Plastic Applicable models: for DJI FPV Combo Color: Black Net weight: 1.4g Product size: 2.9x2.9x0.5cm Package Includes: 1x Positive Propeller Seat Note: Conversion: 1inch=2.54cm, 1cm=0.393inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.