The corkscrew is placed in the inner structure of the device, transparent design allows you to at a glance. The automatic wine bottle opener is made of top quality stainless steel for more strength and durability. Also, to ensure the safety of the wine drinkers, the auger is made of the food-grade material. The key material is made of silicone, so it will make you feel more comfortable. Set includes electric wine opener, foil cutter, wine pourer, vacuum wine bottle stopper.