Lot  of 10 Dia. 19.5 x 20mm 1W Watt LED Aluminium Heatsink long Round Cooling 

Completely cooling 1pc 1W high power LED without fans.
Light up 365 days*24 hours
Size Height: OD19.5mm ID6mm H20mm
Material：Aluminium
Package include: 10 x Heatsink