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Kf309 2200 ° Type 309 Heat Treating Foil

Simple to use; Place blade or other part in the Tool Steep Wrap; fold over and crimp edges forming an air tight package; place package in oven and heat treat according to metal directions. Placing a small chip of wood inside the foil packet helps to burn up oxygen inside the wrap. Use only once. Cuts easily with scissors.

Type 309, annealed stainless steel has a maximum temperature of 2200Ëš Fahrenheit. Sold in box of .002" x 12" x 25'.