Zinc alloy material --- thick zinc alloy material, multi-directional polishing, invisible invisible, durable. High quality --- An invisible tatami handle that is resistant to corrosion, wear, fading and scratches. It's beautiful and practical. Line design --- 3-4 fingers can be stretched to push and pull freely. Bold Bearings --- Thickened bearings made of materials of high quality, sturdy and durable, long service life. Wide range of applications --- Widely used in drawers, cabinets, wine cabinets, wine cabinets, tatami mats, etc. . Note: The data is manual measurement, please allow 1-113cm error, due to differences between light and screen, there will be a certain color difference , the specific received in kind shall prevail.