Fisher F1110 Steel Roofers Square 16" x 24" (400 x 600mm) Imperial and Metric

This roofers square is made from steel for ultimate strength. Used in conjunction with brass stair gauges angles can be determined. Blade length 400mm and 600mm. Imperial and metric markings. Designed for roof and stair construction. Made from tempered steel. Can be used with stair gauges.