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

• ★EASY TO DISTINGUISH – White for gas disconnect, black for liquid disconnect.Warm Tips: Pls change the o-ring on the ball lock post if they can`t fit on your keg post.See the video we suggest.You can search it on amazon.
• ★WELL MADE – This ball lock disconnects constructed from STAINLESS STEEL features sturdy and longevity. Performs well than plastic one.
• ★MFL THREAD – You can use it for beer tap, corny keg , gas for co2 regulator,liquid for carbonation cap. Excellent quality, no leaks , fit and finish are perfect
• ★WIDELY APPLICATION – Click ON & OFF your ball lock disconnects with ease and provide a seamless connection to your brew double ball lock spear, beer taps and mini regulators.

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