Mount Hole: M3 Screw HoleFit for: TO-220 Transistors;Aluminum heatsink coolingStrong heat conductivity and heat dissipationcolour: blackMaterial: aluminumsize: 21x15x11mmPackage Contents: 10*heat sinkOnly 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.
