Climax Part RC-025 Mild Steel, Black Oxide Plating Rigid Coupling, 1/4 inch bore, 1/2 inch OD, 3/4 inch Length, 10-32 x 1/8 Set Screw
- Provides torque transmision and alignment.
- Easily installed where major disassembly would otherwise be required.
- Black oxide provides some corrosion resistance.