Premium Copper Heat Sink for Raspberry Pi (3 pieces) - 1) 9mm x 9mm x 4mm 2) 14mm x 14mm x 4.5mm 3) 15mm x 15mm x 2mm

3 piece set 9mm x 9mm x 4mm 14mm x 14mm x 4.5mm 15mm x 15mm x2mm Perfectly sized for Processor and Ethernet controller Pre-cut 3M thermal adhesive for peel-and-stick installation Low-profile design can be used with HATs in place Better heat dissipation than standard aluminum