4x Black Metal Volume Tone Control Dome Knobs Guitar Bass Parts<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Brand New and Never Used </span></li><li><span class="a-list-item"> Shape:Cylinder with a dome </span></li><li><span class="a-list-item"> Color: Black </span></li><li><span class="a-list-item"> Hollow shaft Diameter: 3/16 </span></li><li><span class="a-list-item"> Material: Metal </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41lzlxesTdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ej-IqTbGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412RT5LO1oL.jpg" noproxy>