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.PTDIRW10504231