Full stainless Steel tools in a forged aluminium case, the Park Tool Corkscrew Bottle Opener is perfect for the toolbox, workbench or wine bar. The BO-4 is a combination corkscrew & bottle opener complete with knife/ foil cutter. Made in the tradition of our premium quality fold up tools, it folds for storage & features all stainless-steel mechanisms housed in a forged aluminum case. This is a finest top quality beverage tool perfect for the workbench, toolbox or wine bar.