[Easy To Install&Practical Design] 1.Use a knife or drill bit to drill a small hole about 4mm and Insert the barb into the hole instead of screwing it in by hand. 2.The nozzle itself has a threaded connector that can be directly connected to the PE hole without any additional accessories .You can just connection the PVC/PPR/PE pipes.Too loose in 1/4 inch hose.Need a of to seal off leaks. Not recommended on 1/4 inch hose. [High Quality Plastic]Our garden lawn sprinkler uses high quality engineering materials, not easy to break, more - aging resistance.They also do not clog as easily as others. [360 Degrees Water ]Sprinklers can water in all directions without manual intervention.Nozzles are used to proper spraying of the sprinkler and to prevent water backflow.Saved you a ton of headache when dealing with small plants in a group. Perfect for setting up an irrigation system for your garden. [Use Widely]The lawn Sprinklers Nozzle is perfect for garden watering, lawn irrigation, yard irrigation, agricultural field irrigation, landscaping, outdoor cooling, spraying disinfectant, swimming pool misting fog cooling, mist mosquito and so on., Weight: 0.13117504589 pounds, Manufacturer: Ehwisbe