T101B   4-inch?? 10TPI?? HCS Bosch Shank Jigsaw Blade</br>T101D  4-inch?? 6TPI?? HCS Bosch Shank Jigsaw Blade</br>T144D  4-inch?? 6TPI?? HCS Bosch Shank Jigsaw Blade</br></br>Product Description</br></br>Bosch T30W Specifications: Set: 30 PiecesBosch T30W Includes: (10) 4"I Jig Saw Blades - T101B (10) 4" 5-6 TPI Jig Saw Blades - T101D (10) 4" 5-6 TPI Jig Saw Blades - T144D Bosch T30W Features: Straight Splinter Free Fine Cuts In Hard and Soft Wood?? Plastics?? OSB?? Plywood?? Laminated Particleboard & Curved Cuts In Soft Wood</br><br/>http://www.amazon.com/gp/product/B000BQ8G044 trip