Grey Dual pillar w/ knock and volt gauges

[Monte231SS]

I'm removing this stuff from my car. Pillar holds two gauges, grey in color. I am including a knock gauge and sunpro volt gauge, both work. Whats it worth? Make me an offer

 

[dcentg]

P.M SENT

 

[spunbearing]

hi what color is the knock gauge face (black i hope)also do you have the instructions ? thanks dale in arizona