M & M-10 Paintstik® Markers – Marks Annealed, Normalized & Heat-Treated Surfaces * Marks withstand annealing and heat treating operations. * For welds, ingots, castings, forgings, and annealed parts. * Will not come off in oil or water baths. Size: 11/16" X 4-3/4" * Mark at room temperature, withstands 1600°F (871°C). M-10 withstands1800°F (982C).
