131pcs Thread Helicoil Repair Kit HSS Drill Thread Insert Repair Tool Sleeves

131 pieces Thread Repair and Restoration Tools M5 M6 M8 M10 M12. We really appreciate your support! 【Size of thread inserts】 M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm.

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