NEW Keyless Mechanical Digital Push Button Door Lock Zinc Alloy Home Entry Front Panel Size: 14 x 4 x 2 cm /Material: Zinc Alloy Distance between the two screw holes on the front panel: 13 cm Fit Door Thickness: 35-55mm /Opening Drection: Universal Marbles Material: Copper marbles /Dimension: 21.2 x 13.2 x 7.8 cm Weight: 0.9 kg