From the product description, check product page for current description, price and availability:

• ★ Stainless Steel Probe ★ The D system keg coupler’s probe is made of stainless steel that will not wear away over time and your beer will no flavor at all . Keg coupler’s body is made from chrome-plated brass
• ★ Tap For American Kegs Or Sankey Keg ★ The keg coupler is D – System keg taps. It fits perfectly into american kegs/sankey keg. Great sankey d coupler to replace old tap that was leaking and hard to get on
• ★ Come With Two Tailpiece Set & Hose Clamp ★ The sankey keg coupler is G5/8 thread( U.S. Beer Industry Standard). This d coupler has a 3/8″ OD gas/beer tailpiece to fit 5/16″ ID hose
• ★ Easy To Use And Lock ★You also need a gas tank/regulator/beer faucet/hose to get the gas from the regulator to the coupler and dispense your beer. And then tap the sankey coupler to keg, pull the handle out and then down to lock
• ★ With A Pressure Relief Valve ★ The pressure relief valve of keg tap coupler will automatically open on about 53 psi

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