1. Construction Built from stainless steel and brass to deliver durable, reliable performance in demanding environments and for long lasting use. 2. Clear dial scale Features a clear dial scale for accurate and fast readings, with a measuring range of 0300 BAR / 030 MPa, enabling precise pressure monitoring. 3. G5/8 thread size External thread size G5/8 ensures compatibility with a wide range of diving cylinders and fire cylinders for various applications. 4. Suitable for divers Ideal for scuba divers and professionals who require reliable pressure measurements during dives, enhancing safety and underwater performance. Use scenarios Scuba diving: monitor air cylinder pressure during a dive to ensure sufficient air supply and safe ascent. Professional operations: use on diving or fire rescue cylinders for on site pressure checks during field operations. Maintenance and testing: employ in service centers or at client sites to verify cylinder pressure as part of equipment inspection and testing.