Walthers Controls 942-104 Manual Uncoupler

- Perfect for yards, sidings or main lines
- Magnet rotates to avoid accidental uncoupling
- Complete instructions, drilling jig, trackside marker and control knob all included
- Easily installed in new or existing Code 83 or 100 track
- Works with most magnetic knuckle couplers

Tools Needed (sold separately): 5/32" 3.9mm Drill Bit 1/16" 1.5mm Drill Bit