The SCREW WE WILL SEND FOR the metal luxury glass cover top PRODUCT and INSTALLATION IS made OF 304 QUALITY STAINLESS CHROME.

CHROMIUM MATERIALS ARE KNOWN TO BE THE MOST HARMLESS SUBSTANCES TO HEALTH.

IT DOES NOT CREATE A BAD IMAGE BY RUSTING THE SCREW OVER TIME.

VERY EASY TO ASSEMBLE.

SUITABLE FOR ALL POTS AND PANS.