Bosch Jig Saw Blades are designed to cut materials quickly, smoothly and precisely.The wood-cutting set contains blades for every type of wood-cutting application, including precision on straight and curved cuts, The set includes four T101B Clean for Wood, four T144DP Precision for Wood, four T101D Clean for Wood, three T119BO Basic Scroll for Wood, three T244D Speed for Wood, and three T101AO Clean Scroll for Wood. The blades are made with quality Bi-Metal and high-carbon steel, providing precise, clean cuts. They have optimal tooth spacing, shape and cutting angle. This provides cutting speed, cleanliness of cut and durable performance. The blades have a T-shank design for maximum grip and stability; it is the industry standard and fits most professional and consumer brand jig saw makes and models, and the blades provide the best fit and long life.