Check the listing for details. Cool Prototyping DIY IC adapters 16pin DIP. Condition: For parts or not working. Listed at 1.49 USD. The circuits aren't anything special, or for that matter old. The transistors are 2n2222 and 2n2907. Some of the pins are bent a little, but are easily straightened. High quality. You're bidding on ONE. First come first serve. When you order, describe you're preferences. I have a numerous ICs and other items listed HERE. If you want to make an offer on multiple listings, I recommend contacting me. Ebay's system isn't designed for that (I'd make a special listing). If you order from more than one listing, contact me for an invoice BEFORE you pay. If I end up making a partial refund, I won't include ebay's 15%, which they don't refund to me on a partial refund. Like every other seller, I would appreciate it if you contacted me, rather than leave negative feedback, or less than 5 stars.