3 Pack, 14-18 TPI, Portable Band Saw Blade, Bi-Metal Construction, Advanced Bonding Technology, Optimized Tooth Geometry, Constructed With Superior Metal, Designed For Use In Many Standard Portable Band Saws, Designed To Fit All Portable Band Saws Requiring A 28-7/8" Blade, Constructed With Premium Bi-Metal For 3X Blade Life, Advanced Metal-Bonding Technology For Durability & Performance.