No.10 Corkscrew Stainless Steel Folding Knife with Bottle Opener. The No.10 Corkscrew Knife - now with a bottle opener attachment - is the perfect picnic knife! The beech wood handle houses a 5-turn steel corkscrew, sturdy enough for even the most stubborn of corks, and a patented bottle opener attachment on the end of the handle allows you to easily pop the top of your favorite bottled beverage.