The Rafter Square, or Speed Square, does more than mark perpendicular lines. Here's how to make sense of all the numbers on your square and get the most out of this tool.

The lasers are adjustable to ensure accurate calibration with each use. The Real Square (TM) system can be set up in about 20-30 minutes, including the laser calibration.

This product line represents Lumispot Tech's independently developed square-spot system, utilizing fiber-coupled semiconductor lasers as the light source. Incorporating high-precision control circuits ...

Raymond, Rafter lead Freedoms past Lasers in… Share this: Click to share on Facebook (Opens in new window) Click to share on X (Opens in new window) Search. 54°F.

Stan HarrisonFeatured FlashbacksHow to troubleshoot your outdoor grill.Test of true friendship: Helping with a home repair.See these how-to videos.Thanks to Chronicle readers, my home improvement ...