Chisel 8mm Polished with Black Carbon Fiber Inlay Band Titanium, Polished, Engravable, Titanium, Black Carbon Fiber, Flat Band. Jewelry Type: Rings Material: Primary - Color: Grey Width: 8 mm Sold By Unit: Each Engravable: Yes Finish: Polished Material: Accent Color: Black Material: Inlay: Carbon Fiber Material: Primary: Titanium Sizeable: No Thickness: 2 mm.