Argento alluminio Heavy Duty Servo Saver con inserti per JR, Futaba e di HiTec Servo Spline '.
I got this product. theoretically it's a great idea to save our car servos. but unfortunately when I got it and while i was testing the damping effect it had. It started to have a lot of play which renders the item useless to use. they should re-disign this to improve the slop then it would be a great product.I bought 2 pieces on machines 1/10, the quality is very poor, strong backlash, this product can not be used, had to underperform. I do not recommend anyone to buy, there are cheaper and better.