Plastic Acoustic Guitar String Winder Peg Puller Bridge Pin Remover Handy Tool. -Rivet head size: M3, M4, M5, M4-M5, M6, M8. -Size(long rivet head):12.00X1.30X1.30cm/4.72X0.51X0.51in. -Size(short rivet head):11.00X1.50X1.50cm/4.32X0.59X0.59in.
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