DIAO79NI Tremolo Arm is designed for electric guitars with Floyd Rose style double locking tremolo bridge systems, ensuring a perfect fit and reliable performance. Made from high-quality steel, it offers exceptional durability and stability for intense playing. With a 6mm (15/64 inch) whammy bar diameter and 9mm (23/64 inch) bushing inner diameter, it ensures smooth operation and compatibility. The push-in style locking mechanism with a tightening bushing makes installation quick and secure. Available in three stylish finishes—Black, Chrome, and Gold—it allows you to match your guitar's aesthetic. Each package includes 1 tremolo arm, combining precision, durability, and style for an enhanced playing experience.