2 Pack Triangular Scale Ruler 30cm, SZXMDKH Metal Ruler, 1:20, 1:25, 1:50, 1:75, 1:100, 1:150 and 1:200, 1:250, 1:300, 1:400, 1:500

【Laser Etched】The metal ruler are laser etched for accuracy. These markings will never fade or scratch off. Warm Tips：Due to different batches, the product will have a slight color difference. 【All-in-one Scale】The two scale ruler includes 12 scales: 1:20, 1:25, 1:50, 1:75, 1:100, 1:150 and 1:100, 1:200, 1:250, 1:300, 1:400, 1:500, suitable for common needs. It can be easily measured from right to left or left to right. 【Safe Design】Ruler was designed with chamfered edges for your safety. So you don't need to worry about accidental scratches. 【Nice Quality】This triangular scale ruler 30 cm is made of anodized aluminum, sturdy and long-time use. It can accompany you to create better works. 【Professional Use】The scale ruler is extremely accurate, ideal for architects, engineers and professors., Manufacturer: SZXMDKH