Features: Enhances the performances and extend the life for K2B H618 development board with our efficient heat sink Pad, provide optimaled heat management. Copper component for better heat conductivity, this 3pcs set ensuring comprehensive coverage and easy installation and not need for special tools. For electronics enthusiasts, developers, and project creators who require stable operation for their devices. Perfectly for long running development board projects such as home systems and robotic control applications, where need consistent performances. Ensuring For H618 development board operates smoothly and efficiently, making it a reliable choice for any demanding task. Specifications: Name：Heatsink Pad for K2B H618 development Heatsinks Component： Copper Quantity: 3Pcs/Set Size: about 2pcs 13x12x5mm/0.51x0.47x0.19in and 1pcs 10x15x5mm/0.39x0.59x0.19in Package Includes: 1set Heat sink Pad note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.