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

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

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