Angle Stock 304 Stainless Steel 304 7 ft Overall Length Length Tolerance +/-4.000 in Leg Thickness 1/4 in Heat Treatment Annealed Mechanical Finish Mill Yield Strength 30 000 psi Standards ASTM A276 ASTM A479 Inside Height 3.75 in Leg Thickness Tolerance +/-0.495 in Overall Height 4 in Overall Width 4 in