This is a great servo for the money. For $30 you get a high voltage, metal gear, dual bearing, digital servo, with an aluminum heatsink frame. You just can't match those specs anywhere. I put one of these on the rudder/nosewheel in my Bridi UFO, a classic 60-size pattern ship, and this servo has plenty of grunt, is fast enough on (7.4v), and operates smooth as silk. The centering is great, and the gears train is tight with zero slop.