Usage method
Take the screw cap and the lining ring on the end of the hose.
Screw the metal ring opening along the thread of the hose into the hose.
The screw and the nut are connected.
Pass the wire and cable in the hose through the locking core.
Take the lock mother, put one end of the screw thread into the hole of the equipment, lock the mother fixed from the inside, or remove the lock mother, and screw the outer thread of the body to the inner thread which needs to be connected.