Kompressor match

[AndyT46]

Seen a kompressor match looks in good nick but know nothing about them and struggling to find anything. I think they are an older model possibly before the TTmatch came about but not sure. I've got a decent rough ground rod but want something abit lighter for the piers and what have ya.
What sort of price would a good 2nd hand one be worth and are they a thin blank good bite detection etc?

[dabcatcher]

the kompressors wernt thin blanks. you need the tip tornados to get a thinner rod.