This kit contains the Original Floyd Rose® Tremolo bridge, locking nut, springs, pivot screws, and all hardware necessary for installation.The Floyd Rose® Tremolo System is used by more professionals throughout the world than any other. No copy can duplicate the patented double-locking design of the Floyd Rose® Tremolo System that allows you to lock your guitar in tune at the nut and at the bridge.The Floyd Rose® Tremolo System is engineered like no other tremolo system. Its high quality steel parts are manufactured to exacting specifications. Will fit practically any electric guitar, the tremolo kit contains the bridge, springs & claw, mounting studs, and all hardware necessary for installation. Locking nut sold separately.