Petroleum Products Oil Tank Gauging Tape for Gasoline or Diesel. GB & ISO Certified: Conforms to GB 13236 and ISO 3170 standards for accurate liquid level measurement. High Precision: Features 1mm resolution and precision for reliable depth and free water testing. Durable Construction: Made of carbon steel tape with ABS plastic handle for robust performance. Multiple Lengths: Available in 5m, 10m, 15m, 20m, 30m, and 50m ranges to suit various tanks. Versatile Application: Suitable for gasoline, diesel, and other liquid petroleum products. OEM/ODM Support: Manufacturer offers OEM and ODM services with 5 R&D engineers.