Triangular Metal Scale 11.8in Measurinmg Range Design Drawing Tool♫
The triangular ruler is made of aluminum alloy, not easy to wear, light and hard, not rusty and not afraid of falling. 1 x Triangular Scale Ruler. Proportion:1:20/1:25/1:50/1:75/1:100/1:150. Specifications: Scale Bar Black Small Scale.