This ElectroGlas Prober 6070860 EG256882-001 unit is a versatile and reliable piece of equipment that is applicable for use with the 4090u series. This model is made by a reputable brand and has not been modified or customized in any way. It is suitable for use in various industrial automation and motion control applications. The unit has been tested and is in good working condition, ready to be used for your specific needs.