The 41⁄2˝ and 6˝ Ashcroft ® Type 1009 gauges are suitable where ambient corrosion is a major concern. Its attractive stainless steel case and ring provides excellent resistance to chemical, weather and corrosion attack.This 1009 has many optional features that allow a user to develop a basic or special product specification.The 1009 is part of the extensive line of Ashcroft stainless steel pressure gauges.