The Barfly M37039BK-CAP is a high-quality replacement cap designed specifically for the Barfly® Cocktail Shaker M37039BK. Crafted from durable 18/8 stainless steel, this cap offers superior resistance to rust and corrosion, ensuring longevity even in the most demanding professional kitchen environments. Its gun metal black-plated finish not only provides a stylish, modern aesthetic but also complements the Barfly shaker series, making it a must-have for bartenders and restaurant professionals who prioritize both performance and design. Whether you're running a high-volume bar or a fine-dining restaurant, this cap is built to withstand daily use while maintaining a polished look. Upgrade your bartending tools with this reliable, no-nonsense accessory that guarantees durability and professional-grade performance.