Grover 102-18N Rotomatic 18:1 3 per Side Tuners， Nickel<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The original Rotomatic with an improved higher ratio gearing. </span></li><li><span class="a-list-item"> 18:1 ratio provides for finer tuning and greater stability. </span></li><li><span class="a-list-item"> Finer gears provide smoother tuning and a higher degree of backlash elimination. </span></li><li><span class="a-list-item"> Uses the exact housing as the original. </span></li><li><span class="a-list-item"> Includes washers， bushing and wood screws. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41aXmEcoBcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21NLKPUloYL.jpg" noproxy>