The Lenox Tools 3842738PW1418 Wolf-Band Portable Band Saw Blade 44-7/8-Inch x 1/2-Inch x .020-Inch 14/18 TPI - 25 Pack provides users with Professional Performance and exceptional blade life. The blade has high speed steel cutting teeth that provide a strong, long lasting cutting edge. The Bi-Metal Construction allows the blades to bend and not break or shatter allowing for extended blade life. The professional performance provides the user a great cost per cut value. This blade is used for cutting materials that are 1/8-Inch to 5/16-Inch in diameter. It can cut through most metals and is great for fabricators and contractors.