Pat, you can get them from Howard Mills. Contact info below. The 51J3 is the same as the R-388. I think both J3 and J4 models use the same overlay, but check with Howard. Howard Mills, W3HM RT 3 Box 712 Harpers Ferry, WV 25425 (304) 876-6483 E-mail: w3hm at nfis.com Drum dial overlays for 75A-4 and 51J-4 and R-388. Don Reaves W5OR