Solid TKD style kick, but the problem is you can't hurt anyone your size with it, because:
1. You use the TKD/karate style snap kick. These snap kicks trade speed for power, which will be useless, since you're not aiming for a headshot, as well as your set up taking really long. In a real fight, once you're huffing&puffing, and moving around with your opponent, you'll lose 30% of the technique/power. To have an effective, full proof strike, you must train it so you can do it with flawless perfection at any given moment.
2. Hitting with the foot is more dangerous in a real fight, kick with your lower shinbone
3. Try to learn the "Muay Thai" roundhouse. Watch how those guys do it. Unlike TKD/Karate guys, their leg is relaxed, and theyrth swinging it like a bat/ like dead weight, which greatly increases power sometimes speed. It's superior to TKD kick in many ways, but the only drawbacks are that it's usually slower, and that it's setup can be a bit trickier.