yeah not worth it. Look up Tower Pro servos on ebay, these are the same thing just a different label. I've tried both the tower pro and these. 2 of the Tower Pros I had actually survived use in a crawler but the few other I had didn't last their first run. A few burned up others just didn't perform to the level I could trust running in one of my cars. I had 1 of the servos you posted a link to, he use to sell them on ebay, burned up on me in no time.