Smooth surface for easy cleaning. Rotation cone for Twist Stop function. Pressure resistance up to 5 bar. Tensile strength 500 N. Heat resistance 70°C. Anti-bend feature. Universal connection G 1/2" x 1/2". Grohe ProGrip with knurl structure. The GROHE StarLight coating is the result of 75 years of experience and attention to detail: the smooth finish is extremely durable and easy to clean. Don’t waste precious morning time untying your shower hose; The TwistStop flexible shower hose makes that frustrating experience a thing of the past. The flexible hose always keeps its shape making it easy to use and maintain.