About this 3D model

Use this mounting block to attach 340 x 13mm aluminum tubes in order to extend the arms of your F450/F550 or "TBS discovery" copter. This extension arms are able to support up to 14" propellers. Bill of materials (each arm): * 2 x M3 25mm screws * 2 x M3 20mm screws * 2 x M3 10mm screws * 6 x M3 nuts * 1 x M3 30mm screw * 1 x M3 lock nut