This 12-inch triangular ruler is made from aluminium alloy steel, making it durable and suitable f...This 12-inch triangular ruler is made from aluminium alloy steel, making it durable and suitable for hobby, craft, or any application requiring precise scale measurements. It provides scale measurements in ratios of 1:125, 1:20, 1:25, 1:50, and 1:75. The total scale length is 300mm, and the total length of the ruler is 320mm. This tool is ideal for engineers and architects for technical drawing purposes.
This 12-inch triangular ruler is made from aluminium alloy steel, making it durable and suitable for hobby, craft, or any application requiring precise scale measurements. It provides scale measurements in ratios of 1:125, 1:20, 1:25, 1:50, and 1:75. The total scale length is 300mm, and the total length of the ruler is 320mm. This tool is ideal for engineers and architects for technical drawing purposes.