Easy Installation: The simplicity of the shower attachments means you can easily install and start using your new shower douche kit within minutes.Simply connect the preferred attachment head to the tube then screw the tube in place of your original shower head. Designed to fit most UK showers, the thread of each nozzle is 0.5" whilst the nozzles come in 3 different sizes: 2cm x 1.95cm, 2cm x 2.7cm and 3.2cm x 2.5cm. Our attachment coming with three different heads to choose, each head design of 7 holes,can be detached and interchange,effectively increasing the contact area of water, reducing water pressure and making you more comfortable. Value pack :1 Set of shower Kit with 3 shower heads. Package comes brand new in a black seavelvet storage bags ready to use immediately. High Quality Material : Designed of 100% High-Quality Anti-Rust Aluminium, sturdy and durable. All parts are rounded smooth, avoid hurting your skin.