Features Stainl Steel Construction - Crafted from high-quality stainl steel, this protractor offers long-lasting durability and resistance to wear and tear Locking Nut for Precision - Features a reliable locking nut that secures angles at any position, ensuring accuracy and ease while measuring Versatile 2-in-1 Design - Combines a protractor and ruler in one tool, enabling quick and easy angle and length measurements for various projects Clear Measurement Display - Designed for optimal readability, the measurement markings are clearly displayed, allowing for quick reference and reducing errors Multiple Size Options Available - Offered in three sizes to accommodate diverse measuring needs, making it a versatile tool for profionals and DIY enthusiasts alike Features: 1、Made of stainl steel material, practical and . 2、Designed with locking nut for locking angle at any convenient position. 3、Ruler and protractor 2 in 1 combination for easy measuring. 4、Quick and easy to read the measurement with clearly display. 5、Available in three size, meeting your different demands. Specification: Features: Made of stainl steel material, practical and . Designed with locking nut for locking angle at any convenient position. Ruler and protractor 2 in 1 combination for easy measuring. Quick and easy to read the measurement with clearly display. Available in three size, meeting your different demands. Specification: Material: Stainl Steel Measurement Range: 0-180°, 0-15cm / 0-5.91in Optional Size: 80 * 120mm / 3.14 * 4.72in, 120 * 150mm / 4.72 * 5.91in, 150 * 200mm / 5.91 * 7.87in Weight: 50-129g Package list: 1 * Protractor Ruler Package List