Product Dimensions: Length 19mm, Width 16mm, Height 15mm, Hole Diameter 4.4mm. Manual measurement, please allow slight errors. Compatibility: This product is suitable for glass thicknesses of 5-8mm and can securely fix glass or mirrors to cabinets, wardrobes, bookshelves, or other glass furniture. Function: Used for the safe and stable support of glass shelves. They are typically fixed to the side panels of the cabinet with screws, forming a support platform upon which cut glass panels are then laid flat. Product Material: This product is specially designed and made of zinc alloy, ensuring a long service life and resistance to damage. Product packaging：Product include a total of 10pcs Glass Shelf Support Bracket , which can completely meet your daily use needs and replacement., Manufacturer: VGOL