Hipshot Baby Grand Electric Guitar Bridge Fits Gibson Stud Mounts Chrome 43100C Deisgned by master lutier Chris Hofscheider bridge ; Color: Chrome Stud Mounting bracket: 0.285 inch, Stud Spacing: 3.25 inch ; Studs Total Length: 1.38 inch, Stud Diameter: 0.50 inch Overall String Spacing: 2.088 inch, String to String Spacing: 0.418 inch ; Radius: 11.5 inch, Saddle Height: 0.50 inch Item Number: 43100C Available At Ant Hill Music!