Silky Zubat 13″ (330mm) Replacement Blade for Hand Saw or Aluminum Pole Saw 13-inch (330 mm) blade length – 6.5 teeth per inch (7.5 teeth per 30 mm) teeth configuration – 0.35 pounds (160 grams) weight – Hard chrome-plated – Taper-ground and impulse-hardened non-set tooth design – Limited lifetime warranty against defects in material and workmanship