Gotoh Vintage Oval Knob Tuners Nickel (6-in-a-line)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Kluson type machine heads are criticized for not having the same smooth performance， efficiency and durability that sealed gear tuners have </span></li><li><span class="a-list-item"> The SD series solves these problems by combining "Rock-solid" technology and the post collar or: "Self-Center Guide"， found on enclosed gears in the base plate of the gear allowing the post to perfectly align itself with the bushing which attaches the gear to the headstock </span></li><li><span class="a-list-item"> The SD series uses a torque balancer to ensure steady rotation of the tuner button giving high quality sound performance as well as great functionality </span></li><li><span class="a-list-item"> Through its use of the ideal materials selected for each component part you also obtain a far superior sound </span></li><li><span class="a-list-item"> Mounting hardware included. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41eAiiSRKXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51nglKDUXtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412olac7O4L.jpg" noproxy>