Silky New Professional Series Replacement Blade For POCKETBOY 130mm Medium Teeth, 341-13 Silky New Professional Series Replacement Blade 5-inch (130 mm) blade length 8.5 teeth per inch (10 teeth per 30 mm) teeth configuration 0.07 pounds (30 grams) weight Hard chrome-plated Taper-ground and impulse-hardened non-set tooth design