These are a set of genuine Grover Sta-Tite(R) horizontal tuners in gold, part number H97-18GA, new and factory packed. The classic styling of these opened geared tuners have classic butter bean style buttons. In less than one revolution of the string post, you will be in tune and stay in tune. Gear ratio is 18:1 with precision cut worm and gear for perfect meshing, eliminating backlash and slippage. Wood screws are included. They are a perfect replacement for your existing tuners. These come with a lifetime factory guarantee. Return to Grover for a free repair or replacement.