Scale Steel Ruler 12 inch
Made in USA
American made 12" steel ruler for HO, N, S & 0 scales. Has 3.5mm for HO, 1.92mm for N, 3/16" for S, ¼" for O with 1/160 & 1/64 scales. It also has drill and screw sizes on the back. A super accessory needed by every modeler.
Scale Steel Ruler 12 inch
Item # 10360