Description
Features: ?1. Maximum precision: the ruler measures 30 cm in length and has 3 concave sides with 6 of the most commonly used scales. ?2. Laser Etched Marks: The scale ruler is precisely marked, making your drafts, designs, plans more accurate. Brands never fade. ?3. Durable and Reliable – High quality solid aluminum to reduce bending and warping. ?4. Application: suitable for architects, engineers, drafters and builders, robotics, teachers, students, etc. Product parameters: ?Material: aluminum alloy. ?Small ratios: 1:20, 1:25, 1:50, 1:75, 1: 100, 1: 125. ?Large proportions: 1: 100, 1: 200, 1: 250, 1: 300, 1: 400, 1: 500. ?Types of technology: laser engraving. ? Package Contents: 2 triangular scale ruler (with protective bag). ?Package weight: 200 grams ? Packing size: 33.0 × 2.5 × 2.5 cm