345-RAG
3-4-5 Right Angle Guide
3-4-5 Right Angle Guide
Athletic Field Marking Guide: NEW! Right Angle Corner Guide System. NEW TOOL that Quickly helps you line the perfect corner in 60-90 seconds or less!
Acccurately triangulates Right Angle Corners using the Pythagorean Theorem.
SEE How-To Right Angle Corner Guide Tutorial 84K PDF