This is an automatic translation by software: T. Muziker! What is the scale of the ruler, Inches? Is the cutting board 2-sided? Inches and cm? Thank you

Ruler scale The ruler included in the set measures 16 x 32 cm (6.25" x 12") and is made of clear acrylic. The ruler has both metric (centimeter) and imperial (inch) graduations, and is marked with 30°, 45°, and 60° angles, making it easy to measure and cut accurately for a variety of quilting projects. Cutting board features The cutting board measures 45 x 30 cm (18" x 12") and has a self-healing surface. The cutting board is double-sided, with metric (centimeter) graduations on both sides, as well as different angle markings, which help with precise cutting and ensure a longer working surface life.