Angle Iron; 2 1/2" X 2 1/2" X 1/4" Angle - 20ft. Details. Item Number: AN25025020: Manufacturer: ... Warranty: NONE: $3.20 per foot. Qty: Add To Quote. Product Description. Weight: 4.10lbs per foot Available Stock Sizes: 10', or 20' (price per ft varies by length) Angle iron has many uses and adds structural support to any project. Uses ...