The Cup for wedge coupling Ø 15, is a piece made of Zamak with a natural zamak finish and has a packaging of 2,500 units of cups. It has the following dimensions, 15.4 mm wide x 13 mm high x 7 mm as the height from the middle of the bolt connection hole. It needs a space to be embedded in the board of 14.5 mm high with a diameter of 16 mm, this space must be located 31 mm away from the end of the board. To make the union with the bolt, a Ø 6 mm hole must be made.