The Shen Drones Insider 4" Cinelifter Frame is a spinoff of the Shen Drones Dualist frame with some freshly added details. Easily add ducts without re-soldering the motor. This cinewhoop pops off the ground with barely any throttle, and is whisper quiet! Fits 4" Bullnose props without the hassle of prop cutting. Build tips can be found here. Note: Frame and Hardware Only. Ducts, 3D Printed Parts, Battery, Props, and Electronics NOT included. Features Easily change ducts without resoldering motors. Fricton-fit-over-standoffs Interface. Whisper Quiet. VIDEO: Insider Maiden Specifications Frame Material: Carbon Fiber Size: 4" Frame Kit Suitable Props: 4" Includes 1x Bottom (Main) Plate 1x Hardware Kit 1x Top Plate Note: Frame and Hardware Only. Ducts, 3D Printed Parts, Battery, Props, and Electronics NOT included. We can print the 3D parts through Rising Sun 3D, please email us to enquire about it or the files are located here to print them yourself.