• The Screw Checker will identify screw sizes ranging from 8mm through 14mm in the I.S.O. pitches.
  • It will identify size, pitch, length, tap series and drill size.
  • This tool can also be used to straighten bent screws and clean up dirty or rusty threads.
  • Manufactured from heavy gauge steel for long term use.
  • 1/8″ thick for accurate identification.
  • Made in the USA!