The 12mm Round Bar Holder in Grade 304 Stainless Steel is designed for left-hand termination. It is specifically made to attach to a 1.66" diameter newel post tube and terminate a 12mm solid round bar. This bar holder is also available with a flat mount base, allowing for attachment to square newel posts. It matches the through round bar holders in design and functionality. Additionally, a right-hand termination version of the bar holder is also available.