These are high quality nylon servo arms (8pcs/bag) for Hitec HS-65 servos (may fit other Hitec servos). They are specifically designed for use in 450 size helicopters.
Nice fit for KST versions and Turnigy TGY-306G and TGY-306G-HV
Little hard to thread a Align, Linkage Ball. Had to slightly open hole with Snap Knife and with a lot of pressure while Turing was able to get a linkage ball started. Practice makes good. My mistake is not ordering 3 bags.Cheap, breakable servo arms.
In normal flight as rigid as any plastic servo arm. Ball joint screw is tightened too much easy to crack.
If the helicopter crash, it is very useful because it usually protects the servos and the mechanics flybar damage.great product, the deal is a special hole for the screwI use this servo arms for my trex 450 pro with turnigy 306g hv servos. I had a hard crash and all three servo arms broke, but none of the servo gears were strip. I just replaced the three servo arms and back on the air. Do not use the servo arm that come with whatever servo you bought, if you are not a good pilot yet. It will strip the servos.
Have fun.funky coulor and good plasticthese are great. I had a blade strike - broke the arms not the servos!Great for saving your servo gears, these are designed to break in crash situations and are easy to replace.