Ridgid 19273 Remote Transmitter Coupling This item is 19273 COUPLING,REM TRANS 5/8 & 3/8 This product is used for coupling-nuts This product manufactured in United States 5/8-inch adapter for sectional cables Can be attached to a drain cleaning cable Can be attached to a water jet hose 3/8-inch adapter for drum machine cables Locate the remote transmitter in a line