Made of high quality aluminum alloy material with the characteristics of sturdiness and durability. Large heat dissipation area: Large heat dissipation area provides good cooling performance with long service life. Smooth Surface: One-piece molding with no burrs, smooth surface that will not hurt hands. Not easy to damage: light gold color, fashionable and not easy to damage. Fit for 4: Fully suitable for 4, easy installation, no complicated tools required. colour: gold Material: aluminum alloy Size: 8.5x5.5x2.5cm Package Contents: 1 x cooling shell 1 x wrench 4 x screw Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.