Materials: Handle: chestnut or oak wood, shade-dried for years to achieve the correct weight, stability and water resistance. Blade: made from the strong steel used for railroad tracks. 

No need to sharpen before 2-3 years of regular use. After which point, sharpen by hand, using a honing stone. Avoid use on hard surfaces. Wipe clean with soft cloth or use water only. Clean and dry thoroughly to prevent rust. To store, dry and lightly oil the surface.

• Dimensions: L: 9.75" including handle and blade. (5.1" L blade, 1.25" W blade at widest point)
• Made in South Korea