... :Die casting,Heatsink,PC cover,Screws,Buckle and Spring 2013 Supply Aluminum 3'' 4'' 5'' 6'' 8'' LED Downlight housing Specifications ... casting,Heatsink,PC cover,Screws,Buckle and SpringUsageIndoor use 2013 Supply Aluminum 3'' 4'' 5'' 6'' 8'' LED Downlight housingShapeRoundTrade terms ...