Silky New Professional Series Replacement Blade For POCKETBOY 130mm Fine Teeth, 343-13 Silky New Professional Series Replacement Blade 5-inch (130 mm) blade length 17 teeth per inch (20 teeth per 30 mm) teeth configuration 0.07 pounds (30 grams) weight Hard chrome-plated Taper-ground and impulse-hardened non-set tooth design