This hex wrench is especially designed to adjust the truss rod of your folk or classical guitar with a convenient wooden handle.<br /><br />Features:<br />Compatible for your folk guitar and classical guitar&#39;s truss rod adjustment.<br />The end diameter is 4mm.<br />Durable metal material? also lightweight.<br />Equipped with a wooden handle for better operation when making adjustments.<br /> <br />Specifications:<br />Material: Metal<br />End Diameter: 4mm<br />Item Weight: 40g / 1.4oz<br />Package Size: 14 * 12 * 2cm / 5.5 * 4.7 * 0.8in<br />Package Weight: 44g / 1.6oz<br /><br />Package List:<br />1 * Guitar Wrench<br /><br><img src="http://img.tomtop.com/product/xy/2000/2000/p/gu1/I/1/I2161/I2161-1-b505-xyeT.jpg" /><br>$$<img src="http://img.tomtop.com/product/xy/2000/2000/p/gu1/I/1/I2161/I2161-1-b505-nuiq.jpg" /><br>$$<img src="http://img.tomtop.com/product/xy/2000/2000/p/gu1/I/1/I2161/I2161-1-b505-fNxR.jpg" /><br>$$<img src="http://img.tomtop.com/product/xy/2000/2000/p/gu1/I/1/I2161/I2161-1-b505-tKSH.jpg" /><br>$$<img src="http://img.tomtop.com/product/xy/2000/2000/p/gu1/I/1/I2161/I2161-1-b505-Q0Hb.jpg" /><br>