Usage Tips:Brass Handle: The diverter lever moves with a good amount of friction without being difficult to moveLeak-proof Design: Rubber gaskets included for a better seal, fits your fixtures well without leaking if they are installed correctlyBrass T-Valve: This diverter valve is made of brass with a brushed gold finish, designed to resist scratches, corrosion and rust, ensuring quality and longevityEasy to install movable nut design: the nut of the shower head splitter is movable for easy threading and tightening, especially in areas without room to maneuverG1/2" shower diverter: connections are G1/2" IPS threads (non-tapered straight thread) , so should fit most shower arms or bathroom accessories, shower heads, handheld hosesTecmolog 2 Way Shower Faucet - A good quality applicable shower accessory for you.Questions and answers: Question 1: Does the water flow from the shower head to one hand only or does it have an option for running water to both the shower head and hand? Answer 1: The diverter can pass through water through both.Question 2: Is it difficult to turn it over?Answer 2: The diverter valve is very easy to turn and looks very nice.Question 3: Does the handle turn 90 degrees (quarter turn) or 180 degrees (half turn )?Answer 3: Rotates 90 degrees or 180 degrees.Question 4: Is the handle made of metal? I have used others that while the tee and valve are metal, the handle is plastic and will break. Answer 4: The handle is metal.