This listing is for the bosch pro t121 bfc thick metal cutting jigsaw blade in a pack of 25, the ideal option for busy trade professionals and workshops where sheet metal cutting is a daily task. Buying in bulk ensures you always have a fresh blade ready, maximising productivity and minimising downtime on site. Each blade lasts up to 2x longer than a bosch t118b, thanks to its robust 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 provides superior resistance to heat and oxidation, making these blades well-suited to the most demanding metalworking environments. The strong milled wavy-set teeth, tapered body, and thin kerf ensure smooth, straight cutting progress through medium-thick sheet metal between 2.5 And 6 mm. 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: 25 contents: pack of 25