Features: It can improve the stability and timbre of electric guitar playing, making it more convenient to use. Roller design can improve the stability of the bridge. Suitable for electric guitar bridges. metal, they ensure long lasting use. Easy to install and access, these replacement saddles are designed for tremolo bridges. Suitable for most electric guitar players, these roller bridge saddles are perfect for musicians of all levels. Specifications: Material: Metal Color: Black/Silver/Golden Size: As Shown In The Picture 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. Package includes: 6pcs Guitar Bridge Roller Saddles