Features: Suitable for double coil pickup, which can adjust the height and frame of the pickup to meet different timbre and performances needs. Using iron screws and springs to ensure stability and durability. The distance between the pickup and the strings can be adjusted by adjusting the tightness of the screws, thereby affecting the tone and output signal. Use adjusting screws to adjust the position of the pickup frame, making its connection with the guitar body more stable. Suitable for electric guitar enthusiasts, professional musicians, guitar maintenance personnel, and other people who are sensitive to the sound and detail adjustment of electric guitars. Specifications: Material: Iron Color: Silver with Silver Spring/Black with Silver Spring/Gold with Silver Spring Thread: 3mm/0.12inch Length: 30mm/1.18inch Package Includes: 10pcs/set Pickup Screws and Springs note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.