Cooks Standard 4 Piece Asian Gourmet Chef Knife Set, Stainless Steel Hollow cut in blade create air-pocket which help to release food easy with no mess German engineering knife blade steel provide ultimate hardness and durability balance Handle is smoothly polished for hygiene benefit, handle shape is ergonomically comfortable Full tang construction with 3 rivets provide strength and durability Lifetime Warranty, your purchase with worry free replacement lifetime