8 UN Wire Inserts & Kits Automotive Spark Plug Thread Repair Automotive Spark Plug Thread Solid Thread Repair Automotive Sump Plug Thread Repair Kits BA HSS STI Wire Insert Taps BSF HSS STI Wire Insert Taps BSF Wire Insert Kits BSF Wire Inserts BSP HSS STI Wire Insert Taps BSP Wire Insert Kits BSP Wire Insert Rapid Inserting Tools BSP Wire Insert Screw Plug Thread Gauges BSP Wire Inserts BSW HSS Whitworth STI Wire Insert Taps BSW Whitworth Wire Insert Kits BSW Whitworth Wire Inserts Extracting Tools for Wire Inserts Helical Workshop Thread Repair Kits Inserting Tools for Wire Inserts Metric Helical Wire Inserts Metric Wire Insert Kits Metric Wire Insert Screw Plug Thread Gauges Metric Wire Insert Screw-Lock Wire Inserts Metric Wire Insert STI HSS Taps UN-8 HSS STI Wire Insert Taps UNC / UNF Wire Insert Screw Plug Thread Gauges UNC HSS STI Wire Insert Taps UNC Wire Insert Kits UNC Wire Inserts UNF HSS STI Wire Insert Taps UNF Wire Insert Kits UNF Wire Inserts