metal Circular Level Vial Used For Measuring Level
metal level vial, also called metal bubble level vial and bull eye level vial, is made of aluminum alloy, copper or stainless steel case, glass or acrylic cover and alcohol medium. The metal bubble level vial can be used independently as well as in some leveling instruments and electronic equipment. Due to the metal case, the bubble level vials can fit various kinds of accessories. The color of medium and case can be customized to meet the requirement. The using life can reach 10 years, during which the medium and gas inside will not leak.
Metal Level Vial