Comprehensive Four-Piece Ruler Set

A comprehensive four-piece ruler set designed for precision and versatility. This collection includes a 20cm ruler for accurate measurements, a 180-degree protractor for angle calculations, and dual-function triangle rulers offering both 60 and 45-degree angles. Ideal for students, architects, and professionals who demand reliable drafting tools. Each instrument is crafted for durability and ease of use, making this set an essential addition to any workspace or study desk.