The Gold standard in Nickel flats: 40 55 75 105 Medium tension, strung on a Fender type 4 inline G&L L-1000 bass, but uncut. They have a very different sound; one that goes well with Ampeg, tube amps, etc-old school thump with a quality all their own. Slightly gigged, slightly used, probably have less than 20 years of life left. $39 shipped, price is firm These go for about $70