GGT-01 is crafted with the needs of guitarists in mind, have a comprehensive set of functions in a single, pocket-sized package. Easily fits in your pocket or gig bag for quick adjustments With nine hex keys, screwdrivers, and a truss rod socket tool. Made from quality materials, this multi-tool is built to last No more carrying multiple guitar setup tools. Whether you're tightening screws, adjusting the truss rod, or tuning your instrument, this multi-tool has you covered Colour:black Material:Aluminum Alloy Package Contents: 1 * Guitar Wrenches Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.