Set of 3: High-voltage trimmer capacitor, vernier dial, and shaft coupling

Set of 3: High Voltage Air Variable Capacitor, Large Vernier Dial, and Shaft Coupling
① High Voltage Air Variable Capacitor
　Capacitance: 150pF
　Withstand Voltage: Estimated around 3kV (Rotor plate spacing: approx. 6mm)
　Includes mounting hardware
② 70mm Large Vernier Dial
　180-degree scale, manufactured by UMEZAWA DENKI
　Smooth rotation, no issues
③ Shaft Coupling (Tait)
　Shaft set screws are missing, please prepare your own

I collected these parts to use for shunt feed antennas and tuners, but I no longer have plans to use them, so I am selling them.
These are high-voltage components that have been stored for a long time, but they are in good condition for their age.