This listing is for the bosch pro t121 bfc thick metal cutting jigsaw blade in a pack of 3, a practical choice for tradespeople who need reliable blades on hand without committing to a larger quantity. Whether you're tackling occasional sheet metal jobs or topping up your kit, this pack size offers a cost-effective entry point. Each blade lasts up to 2x longer than a bosch t118b, thanks to its bi-metal construction a high-speed steel hss tooth strip with an altin coating bonded to a high-carbon steel hcs body. The altin coating delivers excellent resistance to heat and oxidation, ensuring consistent long-life performance across demanding metal cutting tasks. The strong milled wavy-set teeth, tapered body, and thin kerf combine to produce smooth, straight cuts through sheet metal between 2.5 And 6 mm thick. Fits all t-shank jigsaws. Features and benefits: lasts up to 2x longer than a bosch t118b jigsaw blade bi-metal construction for strength and durability altin-coated tooth strip resists heat and oxidation for long-lasting performance milled wavy-set teeth, tapered body, and thin kerf for smooth cutting progress cuts medium-thick sheet metal between 2.5 And 6 mm fits all t-shank jigsaws specifications: cutting capacity: 2.5 6 Mm sheet metal pack quantity: 3 contents: pack of 3