Yoshihiro Lacquered Magnolia Wooden Blade Protector Saya Cover for Gyuto Chef Knife (180mm) Made of Japanese Magnolia wood which is soft, moisture-resistant, and contains no strong resins that may cause corrosion in carbon steel. Non-toxic lacquer coating made from Japanese tree saps. Coating provides stain, chip, odor resistance and allows for easy cleaning. Provides an elegant look that highlights the beauty of the woodgrain with exquisite effect Size: 1.77"W x 0.09"H (45mm x 2.5mm) For Gyuto 7 (180mm) /Please refer to attached images for size reference. For questions regarding compatibility, please contact us through "Customer Question & Answer" or the buyer-seller messaging system.