You are purchasing an adjustment rod, polished brass coupler, and cotter pins designed for Hansen bottom-adjust movements. Measuring 7 1/4" long, this rod features a knurled brass thumbscrew identical to the original used in Glo-Dial 22" clocks, with a 1/2" diameter. Compatible with a wide range of neon clocks and Pam clocks utilizing Hansen C4 and C5 bottom-adjust movements, this set offers a reliable replacement to restore functionality.