Shun’s Kanso Combination Honing Steel SWT0790 is great for gently realigning the edge of a blade and prolonging a knife’s sharpness! The Kanso Combination Honing Steel has two surfaces: a smooth one for day-to-day honing, and a micro-ribbed one for weekly honing. It has a built-in 16? angle on the handle, which is made of a wood called tagayasan or wenge, which is sometimes known in Japan as “iron sword wood.” ? Built-in angle guide makes precision honing easy. ? Two honing surfaces: smooth for everyday honing; micro-ribbed for weekly care. ? Stainless steel. ? Contoured tagayasan or wenge wood. ? Rod length: 9 in. (22.9 cm).