CruzTOOLS GTAW4 GrooveTech Sound Hole Truss Rod Wrench 4mm<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Acoustic Guitar Truss Rod </span></li><li><span class="a-list-item"> Precision Ball-End Tip </span></li><li><span class="a-list-item"> Oversized Handle </span></li><li><span class="a-list-item"> Professional-Grade </span></li><li><span class="a-list-item"> 4mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31of60QhqzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bwZRMTEkL.jpg" noproxy>