1、Brass Material: Made of brass material, this switch has premium rust resistance and high temperature resistance, can withstand harsh road and weather conditions, and has a long service life. 2、Accurate Performance: Advanced electronic components are adopted to achieve high sensing accuracy. The measuring range has high optical accuracy, and the accuracy can arrive 0.1% fs. 3、Fine Workmanship: This switch is well made with premium machinability, stable and safe heat treatment performance, standard interface. 4、Firm Connection: The switch can realize firm connection with your equipment, not easy to fall off after installation. 5、Applicable Models: This switch is suitable for Caterpillar for CAT E312 E330B E345B E322. Remember to check the model!