Hipshot 6 String Baby Grand Bridge in Black. Hipshot Part 43100B
The Baby Grand Guitar Bridge elegantly designed by master guitar luthier Chris Hofscheider, retrofits on Gibson style stud mount guitars (3 1/4'' stud spacing).
Full dimensional drawing is available here http://skyway.s3.amazonaws.com/baby_grand_diimensions.pdf
Buy with confidence and full warranty from SportHiTech, an authorized Hipshot dealer. Full manufacturer warranty and factory fresh.