Features 1、Suitable for Raspberry Pi 3rd generation B+, with good compatibility, stable and reliable performance. 2、Selected high quality aluminum alloy materials, low density, strong corrosion resistance, and high strength. 3、With cooling fan, it has good heat dissipation and passive cooling design, with long service life. 4、For Raspberry Pi heat sink, easy to install and assemble, complete accessories, not easy to rust or oxidize. 5、Sturdy metal aluminum alloy shell, lightweight and durable to use, wear resistant, high hardness, long term use. Specification Item Type: Cooling Case Material: Aluminum Alloy Shell Size: Approx. 9.5x3x6cm / 3.7x1.2x2.4in Adaptation PCB: For Raspberry Pi 3 B+, for Raspberry Pi 3 Model Package List 4 x Metal Shell Parts 1 x Screwdriver 1 x Fan 4 x Fan Screw 4 x Fan Nut 9 x Screw