P4FS-6 Features: -New tooth profile that generates more (but smaller) chips.-Fine standard pitch.-Created using a solid-state diffusion process that applies high speed steel to both edges of the backing material, which increases the contact area by 170 percent.-Reduces frictional heat that is generated during the cutting application, which will enhance overall performance.-6 Pack Fine 32 TPI Bi-Metal Saw Blades. Warranty: -1 yr warranty on material and workmanship.