The BlueSpot 5 PCE HCS Reverse Pitch Jigsaw Blades For Wood (10 TPI) are specifically designed for exceptional cutting performance in laminates, hardwood, softwood, chipboard, plywood and plastics. The reverse tooth downward cutting design is ideal for producing clean top surfaces with minimal splintering. Manufactured from high carbon steel to ensure long lasting quality. The T-Shank fitting is suitable for use with most popular jigsaw models. The 10 TPI blade design is perfect for cutting wood and plastic with a diameter less than 30mm. Similar to T101BR blades. Each pack contains 5 blades.