As part of the mounting system is the preassembled triangular fixator. This piece has an ideal isosceles triangle shape which also has a flap that extends one of its sides a little further to give the fixator support and greater stability at the time of being mounted on the board. It is made of resistant Steel and Plastic with a final white Plastic finish. For its installation, the fastener is provided with a hole that passes through the part through the middle of one of its sides, leaving the opposite vertex of the base flap as an outlet. Its packaging contains 1,000 units of fixatives.