Lenco LPG-300 02021 1/0 thru 2/0 300 Amp Welding Ground ClampA good ground connection is just as important in a welding circuit as the holder and the cables. A good ground clamp reduces energy costs, extends cable life, helps produce consistent welds and allows ground location to be easily changed. LENCO ground clamps have the largest contact area with the work of any clamp on the market. Serrated upper and lower jaws insure maximum bite to the work. A good ground clamp helps assure proper voltage for maximum