Encyclopedia & FAQ's

DIY Frequently Asked Questions / Combination Square

  • DIY Frequently Asked Questions / Combination Square')"> Has a grooved blade and head that can be adjusted (by loosening the thumbscrew) to many locations along the 12” blade to provide different measurements and for scribing.
  • One edge of the head (which is usually metal or plastic) has a 90-degree fence for crosscutting while the other has a 45-degree angle for use as a miter square.
  • The head also contains one level vial to check for level and plumb and a scratch awl for scribing.
  • Some combination square sets are available with an attached protractor that is movable throughout 180º for setting the blade at any angle within that range.