DIYers can assemble your own multi-rotor aircrafts with this arm clamps, it suit for not only small size entertainment purpose multi-rotor, but also large scale commercial aerial photography multi-rotor aircrafts.

Available from 12 to 25 in diameters.

D16mm Multi-rotor Arm Clamps/Tube Clamps

Suit for tube diameter: 16mm
Screw diameter: Φ2.5mm (12.9 class high strength)
Weight: 6g (including screws and nuts)
Screw hole distance: 21mm (center to center)

* Surfaces of this item are not very smooth but don't affect the functionality, please only buy this item if this is acceptable to you. 

Includes:
1 x tube clamp (including screws)

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