Excel Blades is a manufacturing company based out of Paterson, New Jersey, USA. We have been operating for the past 30 years as one of the leading knife, blades and precision tool companies in the United States.
Excel�s #55778 Deluxe 12 model railroad reference ruler is constructed of non-glare gold anodized aluminum with black calibrations in N, HO, O, and (1/24) scales along with guide for converting decimal equivalents to drill sizes for small screws. The black photo anodized calibrations will not fade or chip when cleaned with solvents.