These are for M2.5 rods. And on 4.7mm ball fits very loose.
|確認済みの購入者
Overall
Quality
Value
Certified Buyer Rated
Jun 14, 2012
these ball joint connectors are for 3mm balls and attach to 2/56" rod. what is good about them is that you can feed ball in from either side so you do a half turn on a heli blade pitch adjustment to get better tracking.