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

• 【Well Made & Wide Application】: 304 stainless steel & food grade silicone, solid and rustproof keg coupler adapter kit. This Ball lock keg conversion kit fits all the 5/8″ Thread A/ G/ S/ D type keg coupler!
• 【Absolutely No Leak!】: All the posts are now upgraded with more thicker washers! Standard FPT 5/8″ Thread fits snugly on your keg coupler with high quality thick washers. No need to worry about leakage any more! Perfect Lock & No leak!
• 【Tips on Convert & Clean】: 1. Convert: Allows you to convert the Sankey keg into a Cornelius keg in seconds! Very easy to toggle. 2. Clean: Just INFUSE some clear water into your keg and exporting it to clean the posts. No need to take apart!
• 【Identify & Assembly】: A subtle etched LINE around the top of the gas post to help you identify them. Use hand or pliers to tighten the posts. Please DO NOT over-tighten, as it may deform the washers, and a deformed washer may cause leaking problems.

• The Most Difficult Spot to Check for CO2 Leaks
• Keg O-Ring Materials Selection! – EPDM, Silicone and Buna-N?
• Why Do I Have Bubbles in My Beer Line? Diagnosing and Fixing Kegerator Foam Problems
• Five Benefits of Using Corny Kegs As Fermenters
• Rebuilding & Reconditioning Homebrew Kegs!
• Food Safe Replacement Keg O-Rings in Bulk
• Hands on Review: Kegland DuoTight Fittings & EVABarrier Tubing!
• Why Won’t My Homebrew Keg Carbonate? Fixing Draft Beer Carbonation Problems
• What Does a Flow Control Faucet Do?
• Upgrade Your Kegerator – 6 Improvements!
• Serve Homebrew on Any Kegerator & Convert Commercial Kegerator to Homebrew
• Tips and Gear for Growler Filling
• What’s the Difference Between Ball Lock Kegs and Pin Lock Kegs?
• Checking for Draft System CO2 Leaks – Using The Pressure Gauge Method
• Tip: Consider Oetiker Stepless Clamps for Kegerator Gas and Beer Lines
• Hands On Review: Inkbird ITC-308 Dual Stage Temperature Controller +WiFi Version
• Universal Poppets Tips and Tricks!
• Convert Your Mark II Keg & Carboy Washer to a Recirculating Draft Line Cleaning Pump!
• Step by Step: Finding and Fixing Keg CO2 Leaks
• Kegerator Beer Line Temperatures & Reducing Foam with a Recirculating Fan
• Kegging CO2 Use Estimations and Calculations
• Step by Step: Balancing Your Kegerator Draft System
• Building a Simple Ball Lock Draft Line Flushing Setup
• Build a Recirculating Draft Line Cleaning Pump
• Home Brew Keg Roundup – New & Used, 5 and 2.5 Gallon & More!
• Damp Kegerator? Fix Kegerator Condensation
• Portable Draft Beer Serving Options!
• Homebrew Temp Controller Roundup! – Kegerator and Fermentation – concepts, applications and models
• Bulk Keg Orings and Keg Repair Part Numbers