Enhance your musical instrument with this high-quality Turning Key crafted from premium copper, ensuring excellent durability and a long service life. The surface oxidation treatment provides superior anti-oxidation and corrosion resistance, maintaining the key's appearance and functionality over time. Designed with precision, the fully closed open-type fish tail chord is accurately divided into left and right parts for easy installation and optimal performance. The turning key is engineered to improve your instrument's sound quality, delivering better bass resonance for an enriched playing experience. This set includes all necessary accessories for quick and hassle-free mounting, making it an ideal replacement or upgrade for your instrument. Key Features: · Premium Copper Material: Offers long-lasting durability and reliable performance. · Oxidized Surface Treatment: Enhances corrosion resistance and prevents oxidation for extended product life. · Precise Fish Tail Chord Design: Fully closed open-type chord accurately divided into left and right for seamless installation. · Improved Sound Quality: The turning key enhances bass sound effects, enriching your instrument’s tonal quality. · Complete Accessory Set: Includes all mounting components needed for fast and easy installation. Specifications: · Item Type: Turning Key · Material: Copper · Surface Treatment: Oxidized Package Includes: · 1 x Turning Key with Complete Accessories This Turning Key is a durable and reliable component designed to upgrade your instrument’s performance while ensuring ease of installation and long-term use.