CMT JT101B-25 Jig Saw Blades for Wood &ndash; 25-Pack Fine straight cuts on hard/softwood, plywood, OSB and plastics (1/8~1-1/4). Plunge cutting. 3" Cutting Length, 4" Overall Length, 10 Teeth Per Inch. Ground & Taper Ground Teeth. Delivered in 5-piece packaging.