The zinc-plated Placard 14 undercarriage is a fundamental piece for the installation of this one. As its name suggests, it is located at the bottom of the door, inside the module. This rail supports a weight of up to 50 kg and is made of steel and plastic. Its installation only requires 4 screws, the installation is quite simple. The finish of this part is zinc plated, while the wheel that serves as a rail is made of black plastic, very resistant and smooth to ensure the smooth sliding of the door. Each package contains a total of 50 pieces.