Bosch 5-Pack 3" 24 TPI Bi-metal T-Shank Blade is designed for thin material, straight cuts, flexible & break resistant. It can be used in metal, non-ferrous metal, aluminum, sheet metal, plexiglass 1/16" - 1/8". It fits Bosch models JS260, JS365, JS470E, 1581AVS, 1581AVSK, 1584AVS, 1584AVSK, 1587AVS, 1587AVSK, 1587AVSP, as well as other older Bosch models. Flexible for metal blades have bi-metal construction for long life and greater flexibility. Designed for cutting sheet metal and thin metals. Ideal for straight or curved cuts. T-shank design for maximum grip and stability which fits 90 % of all current jigsaw makes and models.