Made of type 309, soft annealed, stainless steel, Precision Brand tool wrap helps protect work pieces from scale and oxide buildup during heat treating in atmospheric furnaces. Not only that, they also eliminate decarburization buildup. Precision Brand tool wrap protects the surface of air hardening tool steels. This cut-to-fit foil creates an airtight envelope around your part. It can be cut, folded, and crease-sealed with ease. Precision Brand tool wraps will not tear easily, and are available here in Singapore. Shown here are tool wraps in 24" and 12" widths.