E88 Pro Drone Accessories are made of ABS plastic. Environmentally friendly, durable and wear-resistant. Easy to install, you can easily mount them on your drone. 8 different spare parts you can choose: 4-piece motor with motor base / 1-piece circuit board / 4-piece black drone arm / 4-piece gray drone arm / 1-piece black upper shell / 1-piece gray upper shell / 1-piece black lower shell / 1-piece gray lower shell. Perfect spare parts with a perfect fit for E88 Pro drones. Size chart: Motor size: Approx. 3.2x1.7x2cm / 1.26x0.67x0.79inch Circuit board size: Approx. 4.5x2.8cm / 1.77x1.10inch Black arm size: Approx. 9x2x4.4cm / 3.54x0.79x1.73inch Gray arm size: approx. 9x2x4.4cm / 3.54x0.79x1.73inch Black upper cover size: approx. 12x5.5x2.5cm / 4.72x2.16x0.98inch Gray upper cover size: approx. 12x5.5x2.5cm / 4.72x2.16x0.98inch Black bottom cover size: approx. 11.5x5.5x4cm / 4.53x2.17x1.57inch Gray bottom cover size: approx. 11.5x5.5x4cm / 4.53x2.17x1.57inch Package includes: 1 set of drone spare parts Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to different monitors and light effects, the actual color of the item might be slightly different from the color shown on the pictures. Thank you. We not only offer you high-quality products, but more importantly, we provide you with a long-term after-sales guarantee. When you buy our products, you get a full range of after-sales support, allowing you to shop with confidence and satisfaction.