20pcs Stainlessy Steel Screw Coiled Wire Helical Threaded Inserts Set Helicoil Thread Repair Insert M2 M2.5 M3 M4M5M6M8M10M12M14Home Improvement > Hardware2,51 $ (≈ 2,24 €)2,56 $Auf LagerSold by AliExpress WWZum Shop