Graph Tech Guitar Labs’ Inviso-Match Mounting Plate system was designed to simplify machine-head replacement by eliminating to need to drill new holes for the screws, leave old holes exposed, or fill them in. The company’s Ratio Balanced Gear Machine Heads include brushed-aluminum adapter plates that match most mounting-screw configurations, with an option to upgrade to chrome, gold, black, or nickel. The machine heads are available in locking and non-locking types finished in chrome, gold, nickel, and black. Read more at graphtech.com.