V-Coil M5 X 0.8 Wire Thread Insert Repair Kit. 1 x M5 X 0.8 Sti V-Coil Second lead Tap - for cutting a new thread for the wire insert. 20 x M5 x 0.8 x 1.5D Stainless Steel Wire Thread Inserts. 1 X Inserting Tool - to help screw the inserts into the newly threaded hole.