Bosch T101B100 Wood & Plastic Clean Cut 4" x 10 TPI T-Shank Style Jigsaw Blades 100-Pack 10 TPI variable-pitch tooth pattern for clean cuts in hard and soft wood, plywood, plastics, OSB, laminated particle board 3/16-Inch- 1 1/4-Inch thick High carbon steel construction for long life in wood materials 4-Inch overall length, 3-Inch working length 100 piece pack offers maximum value