All inclusive, just fit on your tail rotor and fly. Are not high quality parts but for the price you can repair your model without waiting and spend too much and then you can buy one of better quality.necessarily lubricate screws and glue to use threadperfeito, timo para upgrade em helis classe 450Quelli del kit HK non mi durano niente, prendono molto gioco dopo pochi voli. Questo sembra meglio.Cheap and good product, even though I had to replace the old one on my HK-450 TT as the slackness was getting more and more. Hope this one will be betterwobbles, not-so-fit hubSuper Qualitt, sauber und sehr genau verarbeitet, so gut wie spielfrei. Habe das Set sogar in meinem T-Rex 450 eingebaut und das Heck steht und reagiert super.This item is great for its price.
I had problems with sloppy tail rotor assembly. There is still some problems with sloppy rotor but it is much much better.Good parts to have in your spares boxsuper produit super prix