This is the Smart Trade 35mm Metal Buster Blade, designed for multi-tools. It features tungsten carbide teeth for cutting a variety of materials including stainless steel, ferrous metals, hardened screws, nails, bolts, and abrasive materials like fibreglass. The blade has a width of 35mm and a length of 46mm (or 40mm in some descriptions). It offers universal fitment for most major multi-tool brands, excluding the Starlock range for Fein Multimasters. This blade is highly durable and significantly extends the metal-cutting capabilities of your multi-tool compared to standard bi-metal blades.