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: BlackMaterial: Aluminum AlloyOverall Size: 20 x 20 x 6 mm / 0.79 x 0.79 x 0.24 inch (L*W*H) Package Content:10 x Heatsink