Lincoln K and KP Numbers › Lincoln Electric K1781-9 PTA-9F ULTRAFLEX 12.5 TORCH W/TWIST-MATE Lincoln Electric K1781-9 PTA-9F ULTRAFLEX 12.5 TORCH W/TWIST-MATE Sale Price: $325.83 Original Price: $364.93 PTA-9F ULTRAFLEX 12.5 TORCH W/TWIST-MATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! PTA-9F ULTRAFLEX 12.5 TORCH W/TWIST-MATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000