5/16 BSF V Coil - Fits Helicoil - Wire Thread Repair Insert Kit

5/16 x 22 BSF Industrial Quality Made By V-Coil Germany. 1 5 /16 x 22 BSF HSS (Second Lead) Tap. 20 5/ 16 x 22 BSF x 1.5D Stainless Steel Inserts. V-Coil Thread Repair Kit. Kit Includes. 1 User Guide.

eBay