3/8 UNC x 2D V Coil - Fits Helicoil - Wire Thread Repair Inserts (QTY 10)
V-Coil Thread Repair Inserts 3/8 UNC - 16 x 2D. Produced from precision profiled austenitic stainless steel wire wound into a helical spiral, V-Coil free running inserts have a spring like appearance.