[4 Adjustable Glass Shelf Brackets]Its size is about 55x23x55mm, suitable for 3-21mm thickness glass.[Material]The glass clips are made of zinc alloy, durable, corrosion resistant, not easy to rust, even in humid environment, can be used for a long time.Polished surface, smooth edges, does not hurt the hand.[Easy to install]Select the location and drill the holes, fix the upper part of the glass clamp to the wall with screws, then adjust the gap between the jaws and fix it on the shelf with the screws at the bottom.bottom of the support.[Beauty and practicality]The wall-mounted glass rack with glossy surface is very beautiful and elegant, fixing the glass and playing a decorative role at the same time, very practical.[Application]Glass shelf brackets are designed for glass or wood on shelves, cubicles, indoor wall hangings and glass shelves in bathrooms, kitchens, shops, workshops,backyards, caravans, balconies, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.