Features: Premium 5/8 male steel cylinder connectors crafted from copper ensuring leakproof and durability in high pressure environments, ideal for industrial gas systems and outdoor applications. Easy installation design with 5/8 compatibility eliminates the need for adapters, streamlining connection across multiple cylinder types while maintaining seals through machining. Professional technicians, HVAC specialists, and mobile repair crews will appreciate the lightweight copper construction for quick deployment during maintenance or fieldwork requiring frequent equipment swaps. Optimized for harsh conditions like construction sites, marine environments, and pneumatic tool setups where moisture resistance and rapid gas line assembly are critical for operational safety and efficiency. Compact copper connectors reduce toolbag bulk without compromising reliability, featuring reinforced threading that withstanding pressure cycles for long term industrial gas transfer solution. Specifications: Component:Metal Size:Approx.22.7mm/0.89inch Package Includes: 2Pcs 5/8 Male Thread Connector note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.