X-Large Surface Mix Oxy/Fuel Tip - 8 Fuel Slots & 45 Oxygen Holes (.63" Holes) - National (0) No Reviews yet Pinit SKU: TNASM21 $163.52 Quantity discounts available QuantityPrice Made To Order Out of StockNotify me when availible Quantity -+ Add to Cart Details The SM-21 produces the largest flame of the surface mix tips. It has a .63 dia. pattern of 8 fuel slots and 45 oxygen holes. - Fuel/Oxygen DetailsApplyDetailsThe SM-21 produces the largest flame of the surface mix tips. It has a .63 dia. pattern of 8 fuel slots and 45 oxygen holes.- Fuel/Oxygen - 3/4-16 Female Thread ConnectionSee MoreSee Less Reviews 0 ApplyRatings & ReviewsNo reviews availableBe the first to Write a Review