4 Pin to 5 Pin Adaptor for new Weldmark MIG25-140 Units ShopWeldingSupplies.com Sale! from 1214 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. IWD WEM WMJ - 4 Pin to 5 Pin Adaptor for new Weldmark MIG25-140 Units SKU:IWD WEM WMJ