Tweco Roto-Work WCRG-2000 Ground Clamp (2000A, Fits RG-440/640) P/N: 92551120Trying to see if anyone has any use for this. I see it online retail for ~$300-$400. I'll take $200+S&H for it. If anyone has any information on it I'd like to know the application ect. Thanks,Alex