ITEM NAME:20 pcs Radiator Cooling Block Heatsink 10x10x12.5mm Square ICK S Heat sinks F4M7 20 pcs Radiator Cooling Block Heatsink 10x10x12.5mm Square ICK S Heat sinks F4M7 design: rectangle way of fixation: therm. conductive foil (is included) thermal resistance Rth: 22.5 - 15.5 K/W dissipation loss Pv: 2.8 W surface: Al-natural colour: Silver Material: metal width: 10 mm length: 10 mm height: 12.5 mm plate thickness: 2 mm weight: 1.3 g Package listing: 20* heatsink 2* Thermal silica Only the above package content, other products are not included. 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.