Silky Replacement Blade, Z&Uuml;BAT 270, 271-27 Flexible Blade Version (Discontinued by Manufacturer) Kerf : 1.3mm (Very light and flexible 1.4mm blade thickness) 6.5 teeth per inch (7.5 teeth per 30 mm) teeth configuration 0.26 pounds (120 grams) weight Hard chrome-plated Taper-ground and impulse-hardened non-set tooth design