well i'm sorry if i offended anyone, all i was trying to do was get my point across that he was thinking of the wrong crawler. the lock isn't needed as i've posted enough in this thread and it was obiously a mistake in creating this thread but i will finish this by saying that i have mentioned that it is a 1/10 and have posted pictures, all of this only happened because he didn't belive me about my crawler and anyway, i'm not converting, i'm buying an scx10.