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50pcs Wire Thread Inserts M4 x 0.7 x 1D Metric Helical Threaded Sleeve

50pcs Wire Thread Inserts M8 x 1.25 x 1.5D Metric Helical Threaded Sleeve

50pcs Wire Thread Inserts M4x0.7 Metric 1D 4mm Helical Threaded Sleeve

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