DescriptionThis items are some guitar head pressure chord buttons, made of metal, they are not easy to bepaint-sheddingand rust. they increase the tension of the Angle and chord of the string; Fine workmanship, high gloss, easy to use .Feature- Color: Silver - Material: metal - Size: About 1.3x 0.7x 0.2 cm. - Premium metal material, you will use them for a long time. - They have the fine workmanship,the good glossiness. - They increase the tension of the Angle and chord of the string- Good guitar head pressure chord buttons for your choices - Come with screws, easy to install.