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

• Poppit Valve for Ball Lock beer kegs, detailed dimensions on picture No.2, fits most kegs.
• Fits both In (Gas) and Out (Liquid)
• Made of 304 stainless steel food-grade material, durable to use and healthier.
• Bright color on surface for corrosion resistance, no rust in use
• Package: 6pcs poppet valves

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