N-Durance NDJIGMIXED Fast Straight Clean Cut Jigsaw Blades for Wood, Assorted (30 Pack) The N-Durance NDJIGMIXED Fast Straight Clean Cut Jigsaw Blades for Wood (30 Pack) is a versatile set designed for various woodworking tasks. It includes 5 T101D blades for fast straight cuts in wood, 5 T144D blades for fast straight cuts in wood, 5 T101B blades for fine straight cuts in wood, 5 T101BR blades for reverse splinter-free cuts in wood, 5 T118B blades for cutting metal, and 5 T118A blades for cutting metal. These blades feature a universal shank and can be used on materials such as softwood, chipboard, plywood, and fiberboard. The assortment of lengths, teeth per inch (TPI), and tooth spacing provides flexibility for a variety of cutting needs, .