STEEL STAIR STRINGERS Risers: 7½" high Treads: 11" long Predrilled: for 2 x 12 or two 2 x 6 planks Stringers: 1½" x 1½" x 3/16" angle iron Tread Supports: 1½" x 3/16" flat iron Paint: Black Primer Coat Drawing is pair of 3S1-M steel stair stringers.

IRON RAILING Top Bar: ¼" x 1½" Flat Iron Bottom Bar: ¼" x 1" Flat Iron Posts: ¾" x ¾" x .065 Tubing Intermediate Bars: ½" x ½" Square Bars Feet: ¼" x 1½" x 4½" Flat Iron Front Foot: Adjustable Cast Shoe Paint: Black Primer Coat Photo has a 4R12-36 railing installed on a pair of 3S1-M stringers.

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