OLIVE WOOD PARMESAN KNIFE 5.5 in. by Mastro Leonardo - Handmade in Italy 100% Handmade in Italy: Tuscanian Artisan Mastro Leonardo Precious Olive Wood and High Quality Stainless Steel Blade Mastro Leonardo tells: "The young Olive Tree grows very slowly. After 60/70 years the Olive Tree is mature and we can cut some branches out" "The Olive Wood needs to be dry out from 3 up to 7 years in order to get the best results" "All products are rubbed with natural sunflower olive to make these objects waterproof and suitable to use in the kitchen"