Easy to Carry: The 45 degree triangle ruler is small and light, easy to carry, very practical, and cost-effective,manufactured with premium materials and professional process, perfect replacement for the old and broken one. High Durability: The 90 degree triangle ruler is thickened, wear-resistant, corrosion-resistant, durable, and has a long service life,Sophisticated production, excellent quality, good performance, high work efficiency and easy operation. Durable Material: The ruler is made of high-quality aluminum alloy material, with high hardness, good toughness and not easy to rust,stable and durable, professional manufacturing, high reliability. Quality assurance, long service life. Accurate Readings: The laser engraving scale is clear and accurate, not easy to wear, and can meet the basic needs of consumers,The triangle ruler is comfortable to hold, can give customers a comfortable sense of use, and is easy to operate. Color: Silver Material: aluminum alloy Weight: 179g Package includes: 1pc*angle ruler