Aluminum Alloy: This woodworking height ruler is crafted from aluminum alloy, with high strength, ensuring long lasting durability and resisting to bending or deformation under heavy use in workshop environments Multi Functional Design: Suitable for depth and height measurement, this woodworking table saw ruler performs both line scribing and marking tasks, streamlining your woodworking measurement workflow Dual Scale Markings: The depth measuring ruler features clear imperial and scales on both sides for versatile measurements, enhancing accuracy and convenience in various woodworking projects Adjustable Mechanism: With a locking screw system, this woodworking height ruler allows sliding setup, and measuring from 0 to 7 inch (0-17cm), ensuring precise and repeatable measurements every time Enhanced Efficiency: This aluminum alloy height ruler combines rigidity with easy adjustment, eliminating wobble during use to provide consistent results for woodworking table setups or jointing tasks, Manufacturer: Jelquix