My corkscrew finally broke after six or seven good years and I needed a replacement. After skimming ten or twenty models on Amazon, I just ordered this Pinzon Matte Chrome-Plated Corkscrew and Foil Cutter Set for $24.99. Free shipping on $25+ orders. I chose it because of its solid user reviews and the item notes below. a lot of these openers use plastic gears that quickly snap.
Opens one-thousand bottles in its lifetime
Chrome-plated opener with steel gear mechanism and Teflon-coated corkscrew