2 oz. bottle 450° F. Tempilaq® temperature indicating fluid. Applicator brush inside the lid. Brass begin to anneal at 482° F. the case head (area of extraction groove or rim) must never be annealed. On all cases 1 ¾” long or less brushed a stripe 1/4 way up on the outside of the case if the 450° F. doesn’t change color the case head has not been annealed. An annealed case head may rupture causing serious damage. SKU 73.000 POST PAID.