Kluson 3/Plate Nickel/Plastic<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Overall Length = 4-1/4" (Mounting Plate) </span></li><li><span class="a-list-item"> 1st Post To 3rd Post = 2-3/4" </span></li><li><span class="a-list-item"> Center to Center Distance Between Posts = 1 3/8" </span></li><li><span class="a-list-item"> Post Length = 1".Post Diameter = 1/4" </span></li><li><span class="a-list-item"> Bushing Diameter = 9mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4178Ydne5qL.jpg" noproxy>