ZL0018 series rotary swivels are used for connecting the nozzle and the hose,the flow indicator,the pipe,and other equipment. 360 action. Features: 1. The main body is made of high quality brass H62 with excellent electrical conductivity. 2. The outside surface is plated with decorative chromium, beautiful and decent. 3. The rotating end is equipped with rolling beads for flexible rotating, and the hose will not be twisted together easily. 4. The sealing material is NBR with reliable sealability. 5. Different coupling such as R of BSPP standard thread can be ordered as required. Package (1)3/4" 50pcs/carton (2)1" 32pcs/carton