The "Small Kine" single musubi mold is made of commercial quality stainless steel for durability and strength. The press is formed from one piece of steel with a bend techniques maximizing strength. The mold is welded on the outside of the mold for durability. No more worrying about breaking acrylic makers due to rough use, dropping or when washing or pressing. The Small Kine single musubi mold is idea for restaurants, high volume operations and homes that need the durability and desire ultra high quality kitchen tools that will last.