JLT1175 Features: * Adjust-a-square * Screened, thermal-bonded black increments * Large, bold easy reading graduations * Head adjusts to any angle * Precision-machined head ensures accuracy * Folds flat for easy transportation * Extruded aluminum 0.25"" thick blade and head * 0.13"" and 0.06"" graduations * Locks together for a perfect 90 degree angle Construction: * Constructed of heavy duty extruded aluminum and has markings at 16"" centers Color/Finish: * Clear protective anodized finish will not rust Assembly Instructions: * Handy tool for obtaining or transferring odd angles and quickly adjusts to any angle without disassembly Dimensions: * Dimensions: 50"" H x 2"" W x 1.63"" D