ITEM NAME:Aluminium Heat Diffuse Cooling Fin Heatsink 25mm x 25mm x 15mm 10 Pcs Black G3T5 Aluminium Heat Diffuse Cooling Fin Heatsink 25mm x 25mm x 15mm 10 Pcs Black G3T5 Product Name: Cooling Fin Aluminum heatsink are generally used in the heat treatment and the cooling IC and electronic component. The fins increase the area of the board and thus provide for greater heat transfer. Use heatsink adhesive glue to install heatsink .Glue is not included here. Please check the specification table and make sure that the size of the heatsink fits that of your component. Material: Aluminium Color: Black Dimension: 25 x 25 x 15mm/1 inch x 1 inch x 0.59 inch(L*W*H) Net Weight: 100g Package Content: 10 Pcs x Cooling Fin Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Use heatsink adhesive glue to install heatsink. Glue is not included here. Material: Aluminium.