Products webpage:
https://www.gessi.com/en/catalogue/bathroom/goccia 

Models in set:
Art. 38049
Art. 38055
Art. 38097
Art. 38109
Art. 38121
Material in set:
031 Chrome
079 White CN
099 Black XL
124 Black Metal GHRC
125 Copper Brushed GHRC
147 Brushed chrome
126 Black Metal Brushed GHRC
123 Copper GHRC

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured taking into account PBR