1、Robust Construction: Crafted from steel, the guitar wrench set is wear resistant, ensuring a longer lifespan and providing a reliable tool for frequent use. 2、Easy to Use: This comprehensive guitar maintenance toolset is easy to repair and adjust guitars, making it convenient for musicians of all skill levels. 3、Versatile Functionality: Ideal for adjusting narrow or deep rods, the set features various hex key sizes for most guitar screw adjustments, catering to all your maintenance needs. 4、Guitar Care Tool: The kit comes with a radius gauge for adjusting neck curvature and measuring radius, making it a must have tool for professional guitarists and enthusiasts striving for optimal instrument performance. 5、Complete Package: Includes all necessary tools such as 4mm and 5mm ball end truss rod wrenches, 8 hex wrenches, 1 guitar neck wrench, and 9 T shaped radius gauge. Item Type: Guitar Adjustment Wrench Set Material: Steel Application: for most guitar neck truss rods, bridge, tuners, nut locking adjustments Specification: 9 T Shaped Gauges: 7.25#, 9.5#, 10#, 12#, 14#, 15#, 16#,17#, 20# 8 Hex Wrenches Specifications: Approx. 1.5mm / 0.06in, 2mm / 0.08in, 2.5mm / 0.1in, 3mm / 0.12in, 3.5mm / 0.14in, 4mm / 0.16in, 5mm / 0.2in, 6mm / 0.24in 4mm / 0.16in ball head Truss Rod wrench 5mm / 0.2in ball head Truss Rod wrench 6.35mm / 0.25in guitar lever wrench 1 x 4mm Ball End Truss Rod Wrench 1 x 5mm Ball End Truss Rod Wrench 1 x Guitar Neck Wrench 9 x T Shape Radius Gauge 8 x Hex Wrench