Upgrade worn or broken drum barrel stop guides on your Harbor Freight Chicago Electric rock tumbler with this heavy-duty replacement set. Designed to fit both single and dual drum models, these upgraded guides are thicker than OEM parts for improved durability and longer service life. Installs easily using the original factory screws—no modifications required. Helps maintain proper drum alignment and smooth operation. Includes four (4) replacement drum barrel stop guides. Aftermarket replacement part; not affiliated with or endorsed by Harbor Freight or Chicago Electric. The 3d file was created by Thingiverse user hobbes657, and is licensed under Creative Commons - Attribution - Share Alike