Features 1、[ALUMINUM MATERIAL] The cooling fins are made of excellent aluminum material, surface oxidation treatment, wear resistant and durable. 2、[SLOTTED DESIGN] With slotted design, the heat sink has a large contact area with the air, and the heat dissipation effect is good. 3、[MULTIPLE USAGES] Often used as radiators for PCBs, ultrasonics, electronic chips, routers, CPUs, and power boards. 4、[2PCS IN 1 SET] The kit includes 2pcs aluminum heatsinks, which can be used and replaced at any time. 5、[COMPACT SIZE] These slotted heat sinks are small and compact, easy to install and do not take up space, with good practicability. Specification Item Type: Cooling Fins Material: Aluminum Surface Treatment: Anodic oxidation treatment Overall Size: Approx. 120 x 40 x 20mm / 4.7 x 1.6 x 0.8in Application: Used as a heat sink for pcb, ultrasonic, electronic chip, router, CPU, power board Package List 2 x Cooling Fins