Roller Arm adjusting ScrewsWebmaster2023-04-19T16:49:57+00:00 Roller Arm Adjusting Screws Click on the link on the right to view all tools. Adjusting Screws for 000 RT and 00 RT Box Tool Holder Roller Arms. Screw Make sure lock nut is lose befor adjusting roller arm. 000 RT Box Tool Holder