It is suitable for Tarot 600 helicopter model. It is finished by 4MM diameter hollow carbon fiber tube.
Product specifications:
4MM carbon fiber tube x 1 (Φ4 x Φ2.5 x 684mm)
Aluminum alloy connecting rod head x 2 (Φ4 x Φ5 x 16mm)
M2.5x12MM screw x 2
Φ4.7MM ball head buckle x 2