Excel 55778 12" Gold Deluxe Model Reference Ruler
The 12-1/2" gold deluxe model railroad reference ruler with black calibrations in N, HO, O and G (1/24) scales, 64th and mm along with a guide for converting decimal equivalents to drill sizes for small screws.
Includes N, HO, O, and G Scales
Gold Plated Construction
Black Photo Anodized Calibrations Will Not Fade Or Chip When Cleaned With Solvents