Product Description: Material: Durable stainless steel construction with a protective rubber coating for longlasting performance. Designed with a practical butterfly nut mechanism that allows quick and effortless adjustment, reducing installation time and effort. Enables easy onehanded operation when securing or lifting bottle caps, improving convenience in daily use. quality stainless steel offers resistance to rust and wear, ensuring reliable use over time. The rubber coating helps prevent scratches on glass surfaces while providing a comfortable, nonslip grip. Adjustable butterfly nut fits a variety of bottle neck widths securely, allowing a precise and firm hold. Key Benefits: Saves time and effort during installation or adjustments. Protects glass surfaces from damage while maintaining a strong grip. Withstands frequent use without losing performance due to corrosion or wear. Applications: 1. Securing the neck of glass bottles in beverage production or bottling processes. 2. Assisting in home brewing setups where frequent tightening and loosening of bottle caps is needed. 3. Supporting laboratory glass containers for secure handling during experiments or testing. This product delivers a combination of functionality, durability, and ease of use, making it ideal for both professional and home applications. Crafted for precision, it works seamlessly with glass bottles of various neck sizes while protecting surfaces and providing comfort during operation.