Irwin Jigsaw Metal Cutting blades. T Shank for AEG, Bosch, DEWALT and Hitachi Jigsaws.Fast, straight cuts in aluminum 4-15mm, plastic 4-30mm, non-ferrous metal, metal 4-6mm, fiberglass, lead, tin 4-20mm. Length: 100mm.Pitch: 6. Supplied in a pack of 5.