Cross four 2" OD handrail tubes in a clean "+" at square right angles. The 735-2 Flush "X" Elbow joins four tubes at a single 90° junction — the fitting for a spot where two rail lines meet and cross at the larger 2" diameter, such as a landing grid or an intersecting run. It fits 2" OD tubing with a.050" wall. Five finishes give broad choice: 304 Polished or Satin for interior rails, 316 Polished or Satin for marine-grade corrosion resistance outdoors, or Polished Brass for a warm, traditional look or a restoration. It pairs with the matching 2" round tubing and fittings in the same line, so a crossing junction and its runs come together from parts made to fit each other.