Use:guitarType:BridgeColor:ChromeMaterial:brassApplication:ST GuitarMaterial:String Spacing from E to E: 2-1/16" (52.5mm)The saddle is brass,The tailstock is brass,baseplate is Carbon steel,Chrome plated base plate and saddlesPackage: 1setSize (L x W x H): Approx83*42*50mmPackage Includes:1 x Tremolo Bridge1 x Tremolo Arm2 x Mounting Screws3 x Tremolo Springs1 x Claw1 x Allen Wrench for bridge saddle1x allen wrench for bridge arm Rodproduct weight:491gpackage Weight:687gThis electric guitar bridge is easy to install and easy to access, and can be adjusted to the tone and height level.Dear friend, if you have any questions or problems, please feel free to contact us, we will reply you within 24 hours.