Cylindrical Sphere Marble Mortise Door Locks 1) Material: Stainless Steel, Brass, Bronze, Zinc Alloy. 2) Color: Golden Brass, White, Bronze, Red Copper, Chrome Etc. 3) Dimension: Panel: Dia 80MM Or Customized Knob: 68MM Or Customized 4) Weight: 350Grams Or Customized 5) Advantage: Most-Use in daily home door decoration, common choice and easy to install and uninstall.