Large Tri-Square, fits 45*, 90*, flange, laser cut 3/16" Aluminum, Pipefitter

Large 3 in 1 Pipefitter Square. This tool assists with the squaring of a 45 fitting, 90 fitting, and a flange. Laser cut for precision. U.S. Patent No. 45 , 90 , flanges. Made from 3/16” USA aluminum.