Lincoln K and KP Numbers › Lincoln Electric KP4896-1 GUN TUBE INSULATOR / THREAD PROT., FCAW Lincoln Electric KP4896-1 GUN TUBE INSULATOR / THREAD PROT., FCAW Sale Price: $180.00 Original Price: $201.60 GUN TUBE INSULATOR / THREAD PROT., FCAW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000 Add To Cart Added! GUN TUBE INSULATOR / THREAD PROT., FCAW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000