Feature: 1. UNIVERSAL COMPATIBILITY: This maintenance kit is designed for various drone models including for E88, for E99, for K3, for E100, and other folding drone models, making it a versatile choice for any drone enthusiast. 2. LIGHTWEIGHT DESIGN: Made of lightweight plastic, this spare parts set is lightweight and robust, ensuring low noise levels, which contributes to a more stable flight for your drone. 3. COMPREHENSIVE REPLACEMENT SET: Each set includes protective covers and propellers, allowing users to quickly and easily complete replacements and repairs without interrupting normal usage of your drone. 4. ROBUST AND STURDY: The use of quality plastic ensures that these parts are not only lightweight but also long lasting, allowing you to keep your drone in stable condition for countless flights. 5. EASY INSTALLATION: The accessible maintenance design allows for straightforward installation and removal of parts, enabling drone operators to perform quick repairs and replacements efficiently and effectively. Specification: Item Type: Folding Quadcopter Spare Parts Material: Plastic. Package List: 4 x Propellers 4 x Protective Covers 1 x Charging Cable 1 x Screwdriver