Photo 1 of Hilitchi 13Pcs Guitar Allen Wrench Set, including 4mm 5mm Ball End Truss Rod Wrench, 7mm 8mm Truss Rod Hex Box Wrenches and 9 Sizes Allen Wrench for Guitar Neck Bridge Screw Adjustment

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Photo 1 of Hilitchi 13Pcs Guitar Allen Wrench Set, including 4mm 5mm Ball End Truss Rod Wrench, 7mm 8mm Truss Rod Hex Box Wrenches and 9 Sizes Allen Wrench for Guitar Neck Bridge Screw AdjustmentPhoto 2 of Hilitchi 13Pcs Guitar Allen Wrench Set, including 4mm 5mm Ball End Truss Rod Wrench, 7mm 8mm Truss Rod Hex Box Wrenches and 9 Sizes Allen Wrench for Guitar Neck Bridge Screw Adjustment