Material: Made of high-quality metal and wood for durable and long-lasting use Tuning Tool: Adjust string tension by turning clockwise or counterclockwise Usage: Shorter string length produces a higher tone; increased string tension also raises pitch Design: Features a loop end design for enhanced stability and consistency Function: Helps maintain warm voice and pleasant tone of the instrument Specifications: - Material: Metal + Wood - Color: As shown in the picture - Package weight: Approximately 25g - Length: Approximately 10.7cm / 4.21in - For additional size details, please refer to the product images Package includes: 1 x Harp Tuning Wrench Note: Please allow 12cm measurement variation due to manual measurement. Due to differences in monitor displays, the actual color may vary slightly from the image. Thank you!