Features: Precise engineered for accurate 0-16 rod pressure measurement, this vertical gauge features corrosions resistant carbon steel construction and wide ranging compatibility across industrial machinery and residential systems. The oversized dials with high contrast markings ensures fast readability in low light conditions, while reinforced steel casing withstands harsh environments and repetitive use. Essential for maintenance technicians, HVAC specialists, and DIYer homeowners requiring reliabled pressure monitoring in water supply networks, compressed air systems, or hydraulic equipment. Optimizes performances in manufacturing plant, automotive repair shops, and residential plumbing installations where precise pressure controller impacts operational safety and efficiency. Engineered with tool less mounting brackets and 360 degree rotational capability, this pressure gauge delivers long term service in humid workshops, outdoor pumping stations, or temperature regulated facilities. Specifications: Component: carbon steel Pressure ranging: 0-16bar Size: Y40: dials diameter:42mm, thread diameter:9.5mm; Y50: dials diameter:52mm, thread diameter:12.5mm Model: Y40/Y50 Package Includes: 1pcs Vertical Pressure Gauge note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.