Features and Benefits: ?Fast Cuts: Tooth Shape and durability allow for smooth, clean cuts in wood ?Heavy Duty: Advanced construction for long life in tough professional applications Get professional-grade performance with the Milwaukee? 4 in. 10 TPI high-carbon steel t-shank jig saw blade (5-Pack). These blades are designed and built to handle heavy-duty jobs. With Milwaukee’s attention to blade material and sharpness, this is a reliable general-purpose blade for very fast cutting in wood. The blade’s reverse tooth construction prevents splintering. The T-shank allows for quick installation. Use with Milwaukee jig saw models 6266-6, 6276-6, 6267-20, 6267-21 and other popular brands.