Product Description: Product Name: Quad Ruler Product Weight: 220g Product specifications: 17.5 * 30.8 cm Scope of application: 250*120mm Product material: Stainless steel Color: Silver Measuring range: 250 (mm) Accuracy: 1 mm Laser engraved scales: The laser etched marking makes the number embedded in an aluminum material so it won't wear or fade. Maximum readability and durability of the metal ruler helps save money to buy more. Multi-angle measurements: place a T-square in a 90 degree angle to spread out parallel pieces of wood in a T-square to align your brick. Then you can accurately measure the desired angle or shape by tightening or loosening the screw. These angle jig tools can measure inches and centimeters. Multifunctional and versatile: use it for special angles/shapes for carpentry, masonry, flooring, roofing, tiles, etc. Create landscaping, tile, cobblestone, wood, laminate and more! This perspective model tool is a must-have for every toolbox! Foldable, durable and portable. Easy operation Simply place the angle jig tool on your work area, slide the rulers into the desired shape and tighten the screws. The four-sided ruler mechanism can be pushed and locked in any desired angle as a reusable design for endless applications. Portable and easy to store, comes with a protective bag, the measuring ruler can be better protected from scratches. Compact design: The portable and lightweight multi-angle tool fits easily into the carrying bag. storage and provides a pleasant feeling. It won't be in your tool bag like another jig tool.