Product Features:
【3PCS (6.35mm & 7mm & 8mm) Pocket Truss Rod Hex Box Wrenches】
●made of high quality steel & sturdy. Fine workmanship, smooth surface with high glossiness.
●6.35mm pocket truss rod wrench fits for most Taylor Guitars that adjust on headstock while not soundhole.
●7mm wrench fits for some PRS (Korea), IBANEZ (Japan), JACKSON (Japan), and more.
●8mm wrench fits for some American Gibson electric guitars, PRS (USA), ESP (Japan), and more.
【2PCS (4mm & 5mm) Ball End Lengthened Truss Rod Wrenches】
●made of carbon steel & sturdy.
●used to adjust the guitar neck straight.
●suitable for martin acoustic guitar or other guitar which couldn't reach it with a regular hex wrench truss rod adjustment.
【9PCS (1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 1/20in, 1/8in, 3/16in) Guitar Allen Wrench Set】
●1.5mm for electric guitar & bass bridge.
●2.0mm for volume knobs.
●2.5mm for electric guitar bridge string block.
●3.0mm for nut locking.
●4.0mm & 5.0mm for most acoustic guitar truss rod screw gauges.
●1/20 inch for some guitar bridge which made in Japan.
●1/8 inch for some guitar bridge made in USA.
●3/16 inch for some guitar bridge made in Mexican.
●various guitar allen wrench gauges are suitable for most guitar bass neck, bridge, nut locking, volume knob, bridge string block screw adjustment.

Package Includes:
3 x Pocket Truss Rod Hex Box Wrench (6.35mm & 7mm & 8mm)
2 x Ball End Lengthened Truss Rod Wrench (4mm & 5mm)
9 x Allen Wrench (1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 1/20in, 1/8in, 3/16in)
1 x Portable Storage Bag