The Apex CNTAT215SPUD TOOL GROUP WRENCH CONSTRUCTION 15 SENSORMATIC is a construction tool that is designed to help with the installation of sensors. This tool is made up of a number of different parts, including a sensor wrench, a sensor installation tool, and a sensor holder. The sensor wrench is designed to help with the installation of sensors, while the sensor installation tool helps to ensure that the sensors are properly installed. The sensor holder is designed to help keep the sensors in place during the installation process.