Fit for 4 string Fender Precision bass and Jazz bass String Spacing: 57mm(2-1/4 inch ); Mounting screws spacing 69mm( 2-3/4 inch ) Color: black material: metal Come with hex key and screws,ready to use Package Contents: 1 * bass bridge Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.