Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Ginsu Kotta Open Stock Series Japanese 420J2 Stainless Steel 7-Inch Santoku Blade with Stainless Steel Handle 4857
Product description: Ginsu's Kotta Series blades performs as accurately as fine edged professional cutlery with the convenience of never requiring sharpening! Symmetric Edge Technology integrates identical edges on each side of the blade for an even cut. Ginsu's blades are made from Japanese 420J2 stainless steel that is well known for its sharpness and strength. The steel tang extends fully into the handles and each knife is backed by a limited lifetime warranty!
Product feature: Traditional Kullens grind on blade helps to prevent food from sticking, Unique scalloped, dual serrated edge prevents the tearing of food like traditional serrated blades, Japanese steel tang extends throughout the entire handle, Stainless steel handles are beautifully shaped & ergonomically designed to fit smoothly into your hand, while universal design allows for left and right-handed use, Hand wash only; limited lifetime warranty
Product brand: Ginsu
Target attributes: Type
Answer: attribute: type
value: santoku
source: product title