Lincoln K and KP Numbers › Lincoln Electric KP4759-MD 9/20 MEDIUM DUTY TORCH PARTS KIT Lincoln Electric KP4759-MD 9/20 MEDIUM DUTY TORCH PARTS KIT Sale Price: $170.15 Original Price: $190.57 9/20 MEDIUM DUTY TORCH PARTS KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! 9/20 MEDIUM DUTY TORCH PARTS KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000