Enhance your string instrument maintenance with this versatile Multi-Function String Winder, designed for efficient winding and tightening of strings on a variety of instruments. Crafted from durable plastic and metal materials, this electric string winder features a built-in 800mAh lithium battery, delivering reliable performance with a working speed of 5 rotations per minute and a highest speed of 15KHz. Its compact and lightweight design ensures easy portability and storage, making it an essential tool for musicians and hobbyists alike. Key Features: · Multi-Function Design: Ideal for winding or tightening strings on guitars, banjos, violins, basses, and most acoustic and electric stringed instruments. · Unique Puller Shape: Specially designed to operate smoothly without damaging the guitar bridge, ensuring safe and efficient string changes. · Electric Winder with Thread Cutter: Combines a powerful electric winding mechanism with a reliable thread cutter for quick, simple, and labor-saving string replacement. · Built-in Rechargeable Battery: Equipped with an 800mAh lithium battery that charges fully within 2 to 5 hours, providing cordless convenience and extended use. · Efficient Working Speed: Operates at a steady 5 rotations per minute with a maximum speed of 15KHz, saving time during string changes. · Compact and Lightweight: Easy to carry and store, perfect for on-the-go musicians and daily use. Specifications: · Item Type: String Winder · Material: Plastic + Metal · Battery Type: Built-in Lithium Battery · Battery Capacity: 800mAh · Working Speed: 5 R/Min · Highest Speed: 15KHz · Charging Time: 2-5 Hours Package Includes: · 1 x Multi-Function String Winder This Multi-Function String Winder is the perfect accessory for string instrument players seeking a quick, safe, and efficient way to change strings. Its electric operation combined with a built-in thread cutter simplifies the process, while the durable construction and ergonomic design ensure long-lasting use and comfort. Streamline your string maintenance routine with this reliable and portable string winder.