Raspberry pi 4 heatsink kit, includes 30 pieces anodized black aluminum+ 10 pieces copper cooling heat sink set for Raspberry Pi models A, B, B+, 2, 3, 3 B+ and 4B boards. These pure aluminum (30pcs) and copper (10pcs) heatsink include heat conductive adhesive tape for optimum heat transfer. These heat sinks have profiles which are short enough to fit within standard Raspberry Pi cases. These heat sinks kit can be applied in other devices to cool processor, regulators, VRAM VGA RAM, IC Chips, MOSFET SCR, Southbridge, Northbridge etc. Package includes: 10pcs aluminum heatsink: 0.56 x 0.56 x 0.27 inch (14mm x 14mm x 7mm) (L*W*H); 10pcs aluminum heatsink: 0.35 x 0.35 x 0.19 inch (8.8mm x 8.8mm x 5mm) (L*W*H); 10pcs aluminum heatsink 0.56 x 0.39 x 0.27 inch (14mm x 10mm x 7mm) (L*W*H); 10pcs copper pad shim heat sink: 0.59 x 0.59 x 0.02 inch (15mm x 15mm x 0.5mm) (L*W*H).