10 x 1.0mm x 1/2" Metric Spark Plug Inserts Perma Coil 410-500 Fits Heli USA
PERMA COIL. OUR STAINLESS INSERTS ARE 50% STRONGER THAN THE ORIGINAL THREAD. FITS MODEL. MADE IN USA. WE HAVE A DEDICATED TEAM ON HAND AND ARE READY TO HELP! MOST HAND TOOLS ARE FULLY COVERED BY MANUFACTURER UNLESS OTHERWISE STATED.