A handmade knife from Berti that features a black buffalo horn handle and a straight, sharp blade. The name "tre pianelle" refers to the three angles on the blade. This pocket knife is used for self-defense purposes. The knife's blade measures: 3.7" Overall length: 8.5" Each Cotellerie Berti knife is handmade in Italy by one artisan from start to finish. Each blade is initialed by the craftsman who made it.