Ibby HM guitar bridge, solid billet brass, chrome Give your Ibanez®; the gift of massive tone with the Ibby HM (Ibanez®; Hi-Mass) by Hipshot®;. Gorgeous curves machined from a solid hunk of billet brass, this bridge will give your guitar the punch and sustain it was born for. - Directly retrofits both the Gibraltar Standard and Standard II bridges with no drilling or filling required. - Ambidextrous design works with right handed and left handed guitars. - Not compatible with Gibraltar Plus or other 2 point Gibraltar bridges Ibanez®; is a registered trademark of Hoshino Gakki Group. Hipshot is not affiliated with Hoshino Gakki Group.