Connection: 6.35Mm Thread Connection, 6.35Mm Hose, Suitable For 4Mm/7Mm Tube (Inner/Outer Diameter); Spray Diameter: Fully Open, They Will Cover A Circle Of 25.4-30.5.Adjustable: 360 Degree Adjustable, 8 Spray Holes And Can Adjust The Water Flow, Also To Cut Off The Flow Of Water. Large Water Passages And Automatic Flushing Action Help Prevent Clogging.Operation: Fully Open, They Will Cover A 25.4-30.5 Circle. Rotation Of The Cap Allows Adjustment Of The Flow Rate And Diameter Of The Downward Jet For Complete Closure Via A Ratchet Mechanism On The Cap And A Notch On The Base.Suitable For Plants: Able To Preserve The Stability During Prolonged Laying Or Pressure Fluctuations, The Slow Watering Rate Allows The Soil To Absorb Water More Completely In The Root Zones Of Plants.Widely Used: Ideal For Watering Plants In Pot, Agriculture, Lawn, Flower Beds, Vegetable Garden Irrigation, Watering Herbs, Etc.