This handy, compact tool saves time and labor for efficient, clean welding of holes, joints, and seams in steel panels. Easy to use, even in tight, hard-to-reach spots. It features a strong magnetic base with swivel pads, spring loaded pivoting arm, and a thick copper pad that won’t stick to the weld. The thick copper pad dissipates heat and won’t stick to the weld. Get a precise, clean, higher-quality flat weld with less panel distortion. Strong Hand Hole Plug Magnet with Pivoting V Pad Base – Spot Welding. The hands-free tool for fast, high-quality hole welds! The pivoting magnetic v-pad base quickly mounts on curved steel panels.