Pyle String Peg Winder Electric Guitar Drill with Built-in Powered Rechargeable Battery. (PCBLWN41)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Universal instrument string winding/tightening. Works with Guitar， Banjo， Violin， Bass and more. </span></li><li><span class="a-list-item"> Compatible with virtually all brand makes &amp; models. </span></li><li><span class="a-list-item"> Built-in rechargeable battery - Includes wall power adapter， winding speed 180 RPM. </span></li><li><span class="a-list-item"> Selectable direction for tightening &amp; loosening， built-in LED light. </span></li><li><span class="a-list-item"> Hassle-free trigger-activated operation， detachable knob clamping system for easy use. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41qfn4ZKPRL.jpg" noproxy>