Enhanced Visibility for Precision: Crafted from high-clarity transparent acrylic, this 12.5x12.5 inch quilting ruler features double-colored sight lines and large print numbers, ensuring visibility on both light and dark fabrics. The clear acrylic design allows for accurate alignment and cutting without obstructing your fabric view. Time-Saving Cutting Tool: Designed to streamline your quilting process, this ruler includes a cutting groove at every 1/2 inch increment. Simply align your rotary cutter with the groove and cut multiple strips quickly and accurately, without the need to reposition the ruler. This efficient design significantly reduces cutting time, enhancing your quilting efficiency. Versatile Cutting Angles: Equipped with 30°, 45°, and 60° angle markings, our quilting ruler facilitates the cutting of various shapes such as squares, triangles, diamonds, trapezoids, and parallelograms. The design accommodates both left and right-handed users, making it a versatile tool for all crafters. Secure and Accurate Cutting: The ruler measures 15 inches by 13 inches and includes non-slip self-adhesive silicone grips. These grips prevent the ruler from slipping while using a rotary cutter, ensuring and more precise cuts. This feature is essential for maintaining accuracy in your quilting projects. Color: As Shown Material: Acrylic Package Contents: 1 * Quilting Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.