The Hosco Guitar Nut Cube is a clever little tool that features 5 spanners in 1 for a variety of tasks. There are 3 normal hex spanners for adjusting tuner nuts etc (and the jaws can also slide under control knobs to pull up and remove them), 1 with tapering jaws that can be used on bridge thumb wheels and a 16 mm knurled nut spanner that can be used on Les Paul style toggle switch nuts.

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