The safe and easy way to transfer gas from one cylinder to another. Great for filling pony bottles. Both ends can be used on K valves as well as 200 bar and 300 bar DIN valves. Simply unthread the yoke adapter to expose the DIN connector. It has a large 2.75 in (69.8 mm) diameter, steel case gauge which provides dual scale psi and bar. The large, stainless steel bleed screw is replaceable. Gauge (p/n GB01) Easy read 2.75 in (69.8 mm) diameter gauge Dual scale: 0 to 5000 psi and 0 to 350 bar Stainless steel case Gauge Boot (p/n GP17) Included with equalizer Snug fitting, silicone compound for protection of gauge Twist Bleed Screw (p/n AC362) Stainless steel bleed screw Positive seal PDVF seat Easy replacement bleed screw Braided HP Hose (p/n BHP60-MM) Thin diameter: 0.32 in (8 mm) Length: 60 in (152 cm) Combo Attachment Attaches to K, PRO and DIN valves Two spin on yoke adapters