The Ø20 cup for Uniblock hooking is a piece that requires the Uniblock brackets as an essential element. Together they serve to support horizontal wooden panels on the shelves with easy installation and safety. Its dimensions are 20 mm in diameter, but in the area that goes to the vertical panel, it is 21.5 mm wide. Its height is 13 mm and it is designed for installation on boards from 16 to 19 mm thick. This piece is entirely plastic and the screw in the center to secure the wedge support is made of Zamak. The finish is gray and is offered in packages of 2500 units.