■ Genuine Tortoise Shell Cut Ring Special Shell (Barafu) - 35 (No. 15, 5) ★ Front Height 0.7 inch (17,7 mm) Width 0.7 inch (17,7 mm) Thickness 0.3 inch (8 mm) ★ Please select the size up your K18 ★ Circle Width 4.5 mm ◎ Tortoise Shell Warranty Card Included