500 x 16 Welding Shunt Copper Wire Spot Welder 500 MCM Sale is for One (1) Used 500 x 16 Welding Shunt Copper Wire Spot Welder 500 MCM. This Shunt Cable is in good condition no cuts. Size- 500 MCM. Part Number- 500 x 16. We get our inventory from local manufacturers and liquidators. byJuly 4, 2026