[Perfect Fit for K1] Precisely tailored for the K1 board, ensuring a snug fit with no gaps to prevent damage from vibration.; [Efficient Cooling] Made of high conductivity aluminum alloy with ventilation grilles for rapid heat dissipation and long term corrosion resistance.; [Easy Assembly] Comes with 12 screws just place the board in, align the holes, and tighten. No extra tools needed.; [Rugged Protection] Thickened metal shell offers strong impact and crush resistance, guarding against drops and hard objects.; [Packing List] K1 SBC Black Metal Case × 1 set ( 12 screws).