The BlueSpot 5 PCE HCS Clean Cut Jigsaw Blades For Wood (10 TPI) are specifically designed for exceptional cutting performance in hardwood, softwood, chipboard, plywood and plastics. 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 T101B blades. Each pack contains 5 blades.