The image shows a pack of HM501 Thermal Conductive Grease, a specialized heat sink compound used in electronics maintenance.Product BreakdownFunction: It is applied between heat-generating components—such as a computer's CPU or GPU—and their respective coolers or heat sinks. The paste fills microscopic air gaps to significantly maximize heat dissipation and prevent hardware overheating.Specifications: The syringes contain a gray silicone-based paste with a thermal conductivity coefficient rating typically greater than 1.93 W/m-K. It is formulated to be non-electrical conductive to prevent accidental component short-circuits.