Bosch U101B 5-Piece 4 In. 10 TPI Variable Pitch Clean for Wood U-shank Jig Saw Blades 10 TPI variable-pitch tooth pattern for clean cuts in hard and soft wood, plywood, plastics, OSB, laminated particle board 3/16 In. to 1-1/4 In. thick High carbon steel construction for long life in wood materials 4 In. overall length, 3 In. working length 5 piece pack