SL %EB%9D%BC%EC%9D%B8%EC%9D%84 GL%EB%A1%9C%EB%B6%80%ED%84%B0 800mm %EC%A0%95%EB%8F%84 %EB%86%92%EC%9D%BC %EA%B3%84%ED%9A%8D%EC%9C%BC%EB%A1%9C %EC%9E%88%EC%8A%B5%EB%8B%88%EB%8B%A4.