Enhance your precision drawing and measuring tasks with this versatile Measuring Rolling Ruler set, crafted from clear plastic for lightweight durability and ease of use. Designed with a built-in roller and clear scale markings, this ruler allows smooth sliding without skewing, ensuring accurate measurements every time. Each centimeter features a round hole, enabling you to effortlessly draw circles and ellipses with precision. Key Features: · Clear Scale with Built-in Roller: Provides smooth, stable movement and easy observation, preventing slippage or distortion during use. · Multifunctional Measurement Tool: Equipped with various formulas printed on the roller for quick calculations, ideal for artists, students, pattern makers, and designers. · Wide Application Range: Perfect for drawing protractor-based shapes, circular curves, horizontal and vertical parallel lines, and other precise graphics in multiple scenarios. · Durable Plastic Material: Made from transparent plastic, this ruler is lightweight and portable, making it convenient for household use and educational purposes. · Complete Set of 5 Pieces: Includes measuring rolling rulers in different sizes, approximately 15cm (5.9in) and 30cm (11.8in), to accommodate various project requirements. · Ideal Gift Choice: A practical and creative tool that supports skill development and imagination, making it a thoughtful gift for friends, family, and artists. Specifications: · Item Type: Measuring Rolling Ruler · Material: Plastic · Product Specification: 5 Pieces · Length Sizes: Approx. 15cm / 5.9in and 30cm / 11.8in · Product Use: Household and Educational This Measuring Rolling Ruler set is an essential accessory for precise, creative, and efficient measuring and drawing, supporting a wide range of professional and personal projects with ease and accuracy.