100Pcs Wire Thread Insert Heli Coil, M2 Thread Repair Insert Assortment Thread Insert Coiled Wire Insert(M20.42D)
https://www.vogueparade.com/shopping/EN/142001/1/1005003638670897/100pcs-wire-thread-insert-heli-coil-m2-thread-repair-insert-assortment-thread-insert-coiled-wire-insertm2042d//