Lincoln K and KP Numbers › Lincoln Electric KP4123-1 TIP HOLDER - 550A Lincoln Electric KP4123-1 TIP HOLDER - 550A Sale Price: $18.95 Original Price: $21.22 TIP HOLDER - 550A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! TIP HOLDER - 550A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000