The Original New York Slice The Pizza Show2 PIZZA OVEN STONES NSF BLODGETT 951, 961, 981 STONE 30-3/8x42x1 FREE SHIPPING. These are commercial baking stones are NSF Health Dept. Please note pizza oven stones with come with baking/curing instructions with the stones on the process of how to bake/cure the new stones initially with a …