It Is Easy To Use And Doesn'T Need Anything Else With It To Use. This Item Is Manufactured Especially For Saving Water. Made Of Abs, Silicone And Stainless Steel, It Is Durable And Practical. It Can Be Installed Easily Through Screwing Tightly. With 360 Rotation Design, It Is Perfect And Convenient To Wash The Kitchen Sink. There Are There Levels Of Water Yield To Be Adjusted. Perfect As A Kitchen Accessory. Attention : The Square And Shaped Hole Faucets Are Not Available, It Only Fits Round Faucets. Size : Total Height 8.5 Cm 3.35 In , Total Width 5.5 Cm 2.17 In Base Diameter Inner 2.2 Cm 0.87 In , Outer 2.4 Cm 0.94 In Features : Color : White And Cream Material : Abs, Silicone And Stainless Steel Package Includes : 1 X Water Saving Nozzle Note : Except 1 Water Saving Nozzle, Other Items On Picture Are Not Included. Please Refer To The Measurement. Tiny Measuring Error Is Allowable In Normal Range. There Might Be A Little Color Difference Due To The Monitor, Camera Or Other Factors, Please Refer To The Physical Item.