Metalcraft asset tags, metal mount RFID tags Promass are durable RFID tags designed for long-term exposure to harsh environments. Its full metal shell provides excellent protection for embedded ceramic RFID tags. Promass can be used almost anywhere without being affected and restricted by the use environment. The full metal shell provides great protection for the embedded RFID tag and can withstand great pressure, so that the metal craft RFID tags can not only be used aswaterproof RFID tag and RFID uhf tag anti collision, but also RFID high temperature tag. Size: 35*35*5mm, reading distance 4m, ambient temperature: -40-250 degrees. This mount on metal tag is widely used in mold management and other assets in extremely harsh environments such as high temperature and high pressure.