Material: Stainless Steel 304 - Fabricated from 1-1/4" (31.75mm) 304 Stainless Steel tubing - Solid 304 Stainless Steel legs (2) - Requires two 16mm holes - For 35 to 57mm thick wood doors - Includes screws Glass/Wood Cutting - Requires two 16mm holes. For use on - Wooden doors with a thickness of 35 to 57mm - Glass doors from 10 to 19mm thick