Lincoln Service Parts 2 › Lincoln Electric 9ST10642-660 AIR TUBE W/ JACKET - 6MM, 1 FT T10642-660 Lincoln Electric 9ST10642-660 AIR TUBE W/ JACKET - 6MM, 1 FT T10642-660 Sale Price: $18.16 Original Price: $20.88 AIR TUBE W/ JACKET - 6MM, 1 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! AIR TUBE W/ JACKET - 6MM, 1 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1