Metal Label Holder: Total size: 56mm x 66mm (L x W); inner size: 38mm x 21mm (L x W); installation hole diameter: 3mm. Material: The drawer label is made of zinc alloy with electroplating, which has high strength, high hardness, no rust, corrosion resistance and long service life. Usage: Use this frame as a business card to catalog everything you want. Retro style design, delicate and unique, can add more beauty or decoration to your home or office. Easy to Install: This set comes with enough suitable screws inside, you don't need to worry about buying accessories to match it. You can easily attach metal tabs to your drawers or similar with a screwdriver. Application: Widely used in homes, offices, bookshelves, furniture, drawers, dressers, cabinets, wooden boxes, filing drawers, shelves, bookcases, etc. Product Features: Material: Zinc alloy. Surface treatment: Electroplating Total dimensions: 56mm x 66mm (L x W). Inner dimensions: 38mm x 21mm (L x W). Installation hole diameter: 3mm. Package Contents: 12 metal label holders. Screws Note: 1. Due to the difference in light and screen, please allow a slight chromatic aberration. 2. Due to manual measurement, please allow 1-3mm difference.