Durable storage case adjusts to hold up to 9 blades. Precision forming process creates sharper teeth for fast cutting. Double relief angle reduces tooth stress for long life. Thicker blade stock for maximum durability. Sawzall Performance The Milwaukee 9 piece Sawzall blade set features an assortment of standard wood and metal cutting Sawzall blades for a broad range of professional applications. The set includes two 6 wood cutting blades for increased control, one 9 wood cutting blade for greater cutting capacity, three 6 14 TPI blades for medium to thick metal cutting and three 6 24 TPI blades for thin metal cutting. The set also includes an innovative job site durable case for convenient blade storage.