Protractors descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Corner Angle Finder, Ceiling Artifact Tool, Square Telescopic Protractor,. Features: Easy to Use: Place It on the Work Area, Slide the Ruler into the Desired Shape, and Tighten the Screws. There, You Can Make Perfect Measurements and Now You Can Transfer and Track Them to Any Material. The Multi-angle Gauge Slides and Locks to Any Desired Angle, Saving Time for Repeated Measurements. The Four-sided Ruler Slides and Locks to Any Desired Angle As a Reusable Template for Endless Applications. Multiple Applications: Perfect for Brick, Stone, Tile, Wood, Laminate and Any Other Material. Durable, Compact and Lightweight: an Excellent Portable Tool That Can Be Easily Folded and Carried to Your Next Project. Stainless Steel Makes the Ruler Durable in Any Job and Industry. Specifications: Material: Stainless Steel Model: Angle Ruler Weight:   210g Size: 17.1cm Package Included: 1X Protractor . Products number : SOMONO158535