Description Rulex 6″ (150mm) British model railway scale rule with imperial increments: Scales: side 1 – OO gauge 1:76 4mm to 1ft. Side 1 – HO gauge 1:87 3.5mm to 1ft, side 2 – N gauge 1:148 2.06mm to 1ft. Side 2 – O gauge 1:43.5 7mm to 1ft. The scales go right to the end of the ruler meaning it’s easy to measure objects from the ground up. A person of average height (5′ 9″) is shown against each scale to help with scaling. The overall dimensions of the ruler are 169mm x 35mm. UK manufactured for reliable accuracy. Supplied in a polybag. Click here to see our latest Amazon reviews for this product.
