The Craftsman Size:8 The Professor ring is made

The Professor ring is made from lightweight durable carbon fiber and high strength cast epoxy resin

The Craftsman is a 70/30 walnut wood ring with a carbon fiber sleeve that favors real walnut wood

The Ninja is built-to-order

This men's titanium band with carbon fiber is built using the same materials used in real rockets today

The Craftsman Size:8 The Professor ring is madePERFECTLY IMBALANCED The Craftsman is a 70 30 walnut wood ring with a carbon fiber sleeve that favors real walnut wood, while still allowing a slice of pure carbon to show through. The walnut wood used exudes warmth in bright light, and in its finished form may appear darker than the images here, particularly when viewed in dimly lit areas. When rotated around your finger, the natural wood grains show off some areas that are clearly darker than others