TUNGSTEN STEEL ALLOY DRILL BIT: Easy to open the bottle with high hardness. ZINC ALLOY MATERIAL SELECTION: Round shape and high appearance. COMFORTABLE HANDLE: The handle is ergonomic, easy to grasp, easy to hold, and easy to open the bottle. APPLICATION: Suitable for bottle opening of beer, red wine, wine, etc. at home, bar, restaurant. Made from , durable, environmentally friendly and food-safe materials (stainless steel, zinc alloy, carbon steel, ABS and nylon), it meets growing health standards and unrivalled longevity.