this unique chain saw accessory grinds a razor sharp edge on any size chain using specially designed grinding wheels all you supply is a 14 portable electric drill for best results use 2000 rpm or higher the benchmark sharpener assures the correct grinding angle and a builtin gauge maintains the proper guide height it produces a ground edge much sharper than a filed edge replacement grinding wheels are available in 532 and 732 sizes touch n foam instant insulation this product has passed the federal hazardous sub stances labelling act en- forced by the food drug administration touch n foam is not concidered a hazardous material as defined by the department of transporta tion it has passed both open and closed drum flame tests it is impervious to freeze- thaw tests it has a density of 1 12 pounds per cubic foot at an approximately 70 tempera ture it has a 2 year shelf life it dries tackfree at 70 f in 20minutes and has a tack- free time at 35 f of 3 hours at 70 it cures in six hours and at 35 f it cures in 24 hours its nontoxic properties make this an insulating pro duct where it is possible with none other ekco preseasoned and coated with hardcote silicone easy cleaning inside and out muffin pan 12 cup 406242712 loaf pan 9x 5x 3 406177612 cookie sheet 11x 16 402018812 cake pan 13x 9x 2 406025012