Features: 1. To increase flying stability, a 5 Degree up-tilt angle is applied. 2. CNC Aluminum, suit for D16MM/D22mmD30mm tube arms. 3. This item suit for Auto Edition RC Quadcopter Hexacopter Multicopter. 4. Easy to use! 100% Brand New.
Package includes: 1pcs/2pcs/4pcs x Aluminum Folding Arm Tube Joint ( the size send what your choice)