3. head is adjustable, extend height is about 5 cm. head is easy to install, and very convenient to clear pipe 1. Made of high quality ABS plastic, head is copper 2.360°, covering large range, water droplets evenly 4. High elasticity spring, it can avoid leak effectively when water pressure is low. 5. edge is clear, reduce wasting water and leak water. Inside filter mesh design, avoid head blocked. The inside spring is stainless steel, not get rusty., Weight: 0.661386786 Pounds, Manufacturer: Xnuiasqe