Design: multi-layer chrome finish, resist daily corrosion, scratches and tarnishing, also use the waterproof slice grip with a sieve to avoid blocking Material: brass handle instead of ABS, large thick hex nut; All brass construction, brass handle, high quality and durability Universal: Brass shower head flow control with 1/2 inch male and female, fits the most hand showers and shower hoses Comfort: now you can change the current if necessary without lifting the main valve, so install it on a hand shower, the disabled can sit on a shower chair Function: The shower flow restrictor is perfect for water saving tool, help you save half the cost of water, and can be used as a shut-off valve, store water or pressure reducer