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:Square tiny chipset with great cooling heat.Application:This heatsink is a special tool for RPI,as well as perfect for cooling MOS, GPU, CPU IC Chip, etc..Specification:Color: Bronze ToneMaterial: BrassThickness: 1 mmSize: 12 x 12 mm / 0.47 x 0.47 inch (L*W)Package Content:10 x Brass Pad Heatsink