b'91RulersTriangular Scale Rule- by ArtstatTriangular section, metric 30cm / 12 rule. Scale rulers are used by architects and engineers to calculate dimensions in plans, reducing the need for time-consuming and complicated equations. Made from durable plastic, with bevelled edges for precision drawing.Scales featured: 1:1, 1:10, 1:2, 1:20, 1:5, 1:50, 1:100, 1:200, 1:500, 1:1000, 1:1250, 1:2500.Product code Description MOQ PQ RRPKHDK93 Triangular Rule - 12 1 10 7.39Scale Rules- by JakarMetric, oval section.Scales featured: 1:5, 1:50, 1:100, 1:200, 1:500, 1:1000, 1:1250, 1:2500.Product code Description MOQ PQ RRPKJB3711 Scale Rule - 6 / 15cm (3711) 1 6 9.99KJB3712 Scale Rule - 12 / 30cm (3712) 1 6 11.99Engineers Scale Rule- by HelixMetric 30cm / 12.Scales featured: 1:1, 1:2, 1:5, 1:25, 1:10, 1:500, 1:20, 1:50, 1:250.Product code Description MOQ PQ RRPKHDK85 Engineers Scale Rule (K85) 1 10 5.79Sales order line: 0161 902 3800'