90 DEGREE ALUMINUM ANGLE STOCK 6061, MATERIAL ALUMINUM, MATERIAL GRADE 6061, INSIDE LEG LENGTH 2 1/4 IN, OUTSIDE LEG LENGTH 2 1/2 IN, LEG THICKNESS 1/4 IN, OVERALL LENGTH 4 FT, BRINELL HARDNESS 95, MECHANICAL FINISH MILL, TEMPER T6, HEAT TREATABLE YES, ANGLE 90 DEGREES , HEAT TREATMENT TEMPERED, TENSILE STRENGTH 45,000 PSI, YIELD STRENGTH 40,000 PSI, APPEARANCE PLAIN, LEG LENGTH 2 1/2 IN, LEG LENGTH TOLERANCE +/-0.024 IN, LEG THICKNESS TOLERANCE