Trustworthy Quality: The glass shelf clips are made of zinc alloy with chrome electroplated surface treatment plastic tight screw will not scratch the glass Adjustable Design: Countersunk screw design makes it can install to the wall perfectly plastic fastening screws will allow you to fasten the glass board as need Installation Guide: Make a screw through the glass shelf bracket and install to the wall or board and then insert the glass and fasten the plastic screw to finish Quantity Size: Package includes 8 pieces glass shelf brackets (each one about 21.5x18x16.5mm) and matched screws which suitable for glass thickness 5 to 8 mm Application Scene: The chrome glass shelf supports with elegant style and stable structure widely used in home office hotel shop for kitchen cupboard wine cabinet bathroom display glass shelf fix, Manufacturer: Yuechenggui