Pocket-Sized Tool: 3-inch stainless steel square edge ruler that fits perfectly in your shop apron. Ideal for quick measurements of head/blade height, joinery layouts and detailed woodworking projects Clear Measurement Markings for Accurate Readings: Anti-glare matte finish with scales engraved on all four edges ensures accurate readings in all light conditions Smart Conversion Reference: English measurements on the front and a fractional/decimal/metric conversion chart on the back, perfect for multi-system woodworking projects Professional Grade Durability: 1mm thick stainless steel construction withstands shop abuse while keeping edges straight. Resists bending and for long-term reliability Essential Woodworking Companion: Combines 3-point positioning accuracy with stair marking capabilities for drawer assembly, corner alignment and stair layout tasks, Manufacturer: Ounfhtrttk