ITEM NAME:98 x 40 x 20mm Aluminium Heat Diffusion Cooling Fin O3J7 98 x 40 x 20mm Aluminium Heat Diffusion Cooling Fin O3J7 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. Weight : 106g Package Content : 1 x Cooling Fin 2 sets Screws/Nuts Product Name : Cooling Fin Material : Aluminium Color : Silver Tone Fins Number : 7 Size : 98mm x 40mm x 20mm / 3.9"" x 1.6"" x 0.8""(L*W*H) Note:Light shooting and differnent 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.