First, And this is important. I have been selling since 2000 and have had no Negative or even Neutral reviews. ALWAYS POSITIVE. Any Item found to be D.O.A. Up to 7 days after delivery, return it. If it's dead, send it back for a refund, I’ll even eat the return shipping.These are 19 position Amphenol Aluminum shells, nickel plated.97-4106A-22-14s