Note:This heatsink come without any thermal tape or adhesive tape, we recommend using some glue (here is not included) to stick.Feature:With horizontal and vertical cooling slots.It only take seconds to install, easy to install. Application:Aluminum heatsink can be applied to devices to cool MOS, GPU, IC Chip, etc.. Specification:Color: GreenMaterial: Aluminum AlloyOverall Size: 28 x 14 x 11 mm / 1.1 x 0.55 x 0.43 inch (L*W*H) Package Content:4 x Heatsink