Switchcraft Output Jack， Mono - 6 Pack<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> J11 Input/Output Mono Jack - Pack of Six (6) </span></li><li><span class="a-list-item"> 1/4" diameter - for use with most US-made Guitars &amp; Basses </span></li><li><span class="a-list-item"> High Quality Switchcraft Jack </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51I8JGQOhXL.jpg" noproxy>