Feature: High-Quality L-Ruler: Adopt good quality aluminum alloy, possess high hardness, wear resistant and rust proof, sturdy and durable against rusting. Practical Tool: The lightweight body adopts an ergonomic design, which can reduce the pressure on the elbow or wrist when measuring and marking. Great Performance: T speed measurements ruler with stable structure, excellent performance and long service life, the scale range is from 0-200mm, used for woodworking scribing and marking, helps a lot. Advantages: Steps are designed at right angles to better coordinate and fix, useful and practical, used for woodworking scribing, marking. Please clean the burrs of the marking platform before use, otherwise it will affect the accuracy of marking. Wide Applications: L Square Ruler is ideal for carpentry applications in framing, roofing, stair work, in making layouts and patterns - can also be used as straightedge for determining flatness of a surface. Specification: Color: Black Material: Aluminum alloy Optional Size: Metric scale: 100mm or 200mm or 300mm Inch scale: 4 " or 8" or 12" Package included: 1 x Woodworking Scribe Ruler