Dimension: 40 x 40 x 11mm/ 1.6" x 1.6" x 0.4"(L*W*T)
Package Content: 12 x Heatsink
Product Name: Heatsink
40mmx40mx11mm Aluminum Square Shape Heat Diffuse Cooling Fin Heatsink. Use heatsink adhesive glue to install heatsink . Please check the specification table and make sure that the size of the heatsink fits that of your component.