Model:5mm-46mm Opening Range Spanner Double-End Wrench Combination Spanners Multi-Size. Size：Such as:5.5-7mm (5.5mm=Small End Opening Dia ，7mm=Big End Opening Dia). Dia of Nut Opposite Side：5.5-7mm 6-7mm 8-10mm 9-11mm 10-12mm 11-13mm 12-14mm 13-15mm 13-16mm 14-17mm.
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