The product is a 2-piece lot of 31mm diameter x 70mm length black solid extruded aluminum heat sinks by Wakefield. Made in the United States, these heat sinks are designed for efficiently cooling high brightness LED (HBLED) components. The extruded design allows for superior thermal conductivity and heat dissipation, making them a reliable choice for electronic and industrial applications requiring effective thermal management. With their high-quality aluminum material and sleek black color, these heat sinks provide a durable and aesthetically pleasing solution for various cooling needs.