The Lenox Tools 9403B38EW1014 Master-Band Portable Band Saw Blade 44-7/8-Inch x 1/2-Inch x .023-Inch 10/14 TPI - 25 Pack provide Maximum Performance for portable band saws. These bands are specially treated that offer increased blade length, reduced deflection and reduced twisting of blades during severe cutting conditions. The blades are shatter resistant and the Bi-Metal Construction allows the blade to bend instead of break for extended blade life. The Master Band blades feature the Lenox Tough Tooth design which reinforces the teeth for longer blade life. The Master band will help you get the most out of your portable band saw.