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20pcs Wire Thread Inserts 1/4-20 UNC 1D 6.4mm Helical Threaded Sleeve

20pcs Wire Thread Inserts M8 x 1.25 x 1D Metric Helical Threaded Sleeve

20pcs Wire Thread Inserts 10#-32 UNF 1D 4.8mm Helical Threaded Sleeve

20pcs Wire Thread Inserts 1/4-28 UNF 1D 6.4mm Helical Threaded Sleeve

20pcs Wire Thread Inserts M3x0.5 Metric 1D 3mm Helical Threaded Sleeve