Package Include : 2-Piece set includes 1 Female Quick Connector + 1 Male product adapters （ Extra 1 washers +1 Sealing ring）Design and Operation: 1-Handed Operation.Easy to connect and disconnnect with garden hose connector.The double lock design can better protect the steel ball, be firmer, Can extend service life.Quick Connector Can Stand Up to 160 PSI,no-Leak connection.Sturdy material: these hose connectors are made of 58-3 brass,The steel ball and spring are made of 304 stainless steel,which is rustproof, corrosion resistance and durable.US Standard: Standard GHT threads water hose quick connectors, You can save much time using the quick connet sets install in spigot, hose end and nozzle.Quality guranteed : With 2 years product warranty. If you have any problem with this product,feel free to email or call us.We will replace it or give your money back for any reason. Product Description Screw Threads 3/4" -3/4" 1/2"- 5/8"- 3/4" 3/4" -3/4" 1/2" -3/4" 3/4" -3/4" 1/2" -3/4" Shut-Off Valve YES NO NO NO NO NO Material Brass Brass Brass Brass Brass Brass Package Includes 2 Set 3 Set 4 Set 2 Set 2 Set 2 Set Screw Threads 3/4" -3/4" 3/4" -3/4" 3/4" -3/4" 3/4" -3/4" 3/4" 3/4" -3/4" Shut-Off Valve YES YES NO NO NO NO Material Brass Brass Brass Brass Brass Brass Package Includes 1 Set 1 Set 2 Set 2 Set 2 Set 2 Set Screw Threads 3/4" 3/4" 3/4" 3/4" 3/4" 1/2" -3/4" Shut-Off Valve YES YES YES NO YES NO Material Brass Brass Brass Brass Brass Brass Package Includes 2 Set 2 Set 2 Set 2 Set 2 Set 2 Set