Description Our 16" x 24" Aluminum Framing Square is stronger than steel and is the most versatile framing square. It has a 50% thicker frame to provide you with more durability than competitive steel squares. Scribe notches from 1" - 13" allow you to easily and accurately rip lumber. High visibility laser etched markings allow you to easily read measurements on the carpenter square.PRODUCT DETAILS:Reinfored FrameScribe Notches from 1" - 13"Angle finding helps with setting common angles of pipeHigh Visibility Laser Etched MarkingsCommon conversion tables8th, 10th, 12th and 16th graduation marks