Kichler 15645AZT 6" Fixture Mounting Stem .5 NPSM Textured Architectural Bronze, add height or reach on a fixture with the 6-inch Riser Stem in Architectural Bronze. It's often used with accent lights to elevate above vegetation or snow cover. The 6-inch Riser Stem in Architectural Bronze, which requires a coupler or elbow, adds height or reach to a fixture. It's often used with accent lights to elevate above vegetation or snow cover.