uxcell 4Pcs Led Lamp Aluminum Heatsink Radiator Cooling Fin 86mmx32mmx50mm Product Name : Cooling Fin;Material : Aluminium Color : Silver Tone;Mounting Hole Diameter : 1.8mm Mounting Hole Spacing : 35mm/1.37";Outer Diameter : 86mm / 3.4" Inner Diameter : 32mm/ 1.26";Total Height : 50mm/ 2" Weight : 314g;Package Content : 4 Pcs x Cooling Fin