For wood with nails, metal pipe, angles, and a variety of specialty applications from drywall to drainpipe, BiMetal By Malco 4TF14 stacks up best against the rest. These 6 Inch, 14 TPI shatterproof blades are formulated from a premium metal composition consisting of a High-Speed Steel cutting edge micro welded to a flexible High Carbon Steel back. Wood Cutting BiMetal blades are available in a wide variety of profiles and tooth combinations to match cutting speed, plus control and maneuverability needed for the job. Wide 3/4" (19.1 mm) profiles on Metal Cutting BiMetal combine with superior manufacturing processes to outperform and outlast all other similar blades in head-to-head comparisons. (5 Pack)