Irwin Jigsaw Wood Cutting Blades made from carbon steel for use in softer materials such as wood, laminated chipboard, and plastics. With a universal shank and 3 Sided, fleam ground teeth for fast cut and clean finishes in all wood applications. Straight cuts in hard and soft wood, plastics, plywood, laminated particle board 4-30 mm (3/16 Inch - 1 1/4 Inch). Length: 100mm.Pitch: 10 Ordinary Cut. Supplied in a pack of 5.