Manufacturer Part Number: JTS48HD|Blade Length (mm)|Blade Length (Inch)|48Blade Length (Decimal Inch)|Base Length|Base Length (mm)|Base Length (Inch)|22Bevel Edge|No; NoBlade Thickness|0.19inAngle Measured|Graduation|0.1250 inFinish|For Use With|JTS48HD 48" Heavy-Duty Drywall T-Square; JTS54HD 54" Heavy-Duty Drywall T-SquareFeatures|Clear Protective Anodized Finish; Large, Bold Easy Reading Graduations; Unique Rivet AssemblyColor|Standards|Graduation (Inch)|0.1250 in; 1/8Accuracy (mm)|0.0080 inAccuracy (Decimal Inch)|0.0080 in; 0.0080Accuracy (micro m)|0.0080 inBase Width (Inch)|2Blade Width (Inch)|1-1/2Blade Width (mm)|Material|Aluminum; AluminumPSC Code|5210UNSPSC Code|