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This esc had good specs, great features and great reviews so I wanted to try it. It is the hobbywing platinum pro opto 150.I removed every 3rd fin from the heatsink and epoxied tubes into their places. The epoxy used was marine epoxy rated at 200deg's. The other side was sealed with hi temp silicone. It wont win any awards for looks but when its covered with heatshrink it will be better. It looks like a very well made unit. Very clean layout and no sloppy soldering anywhere. I have good expectaions for it.002.jpg