Lincoln Electric 9SG11356-38 G11356-38 SIGHT GLASS, O-RING, TMBD 1 5/16 - 12 SA Sale Price: $129.57 Original Price: $149.01 SIGHT GLASS, O-RING, TMBD 1 5/16 - 12 SA PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! SIGHT GLASS, O-RING, TMBD 1 5/16 - 12 SA PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1