Note:This heatsink come without any thermal tape or adhesive tape, we recommend using something sticky (here is not included) for your application.Kindly remind: wash your hands and clean the pads well (with alcohol and a microfiber cloth) before installing will be better for your successfully project.Feature:Coppery square tiny chipset with great cooling heat.Application:Perfect for cooling MOS, GPU, CPU IC Chip, etc..Specification:Color: Copper ToneMaterial: CopperThickness: 1.5mmSize: 20 x 20 mm / 0.79 x 0.79 inch (L*W)Package Content:20 x Copper Pad Heatsink