Product Description:* Mechanical compatibility with direct mounting of the LED modules to the LED cooler and thermal performance matching the lumen packages.* Thermal resistance range Rth 1.96°C/W.* Modular design with mounting holes foreseen for direct mounting of a wide range ofLED modules and COB's:* Diameter 80mm - Standard height 50mm , Other heights on request. * Forged from highly conductive aluminum.2 standard colors - clear anodized - black anodizedZhaga Book 3 Spot Light Modules Edison , Osram , Xicato , Bridelux , Citizen , Cree , Prolight , Philips , Tridonic , Vossloh , LG , Seoul , Lustrous , Luminus , SHARP , Samsung , GE lighting .