T 144 D Speed for Wood Jigsaw Blades T 144 D Speed for Wood Jigsaw Blade delivers fast straight cuts in wood - Sharp-ground, side-set teeth enable quick results - High carbon steel material is appropriate for cutting softwood and non-abrasive woodworking materials - Large progressive tooth pitch (4-5.2 mm) enables the blade to cut a variety wooden materials with 5-50 mm thickness