Pocket-Sized Precision 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 precision scales engraved on all four edges ensures accurate readings in all light conditions Professional Grade Durability: 1mm thick stainless steel construction withstands shop abuse while keeping edges straight. Resists bending and for long-term reliability Smart Conversion Reference: English measurements on the front and a fractional/decimal/metric conversion chart on the back, perfect for multi-system woodworking projects Essential Woodworking Companion: Combines 3-point positioning accuracy with stair marking capabilities for drawer assembly, corner alignment and precision stair layout tasks Features:Pocket-Sized Precision ToolClear Measurement Markings for Accurate ReadingsProfessional Grade DurabilitySmart Conversion ReferenceEssential Woodworking Companion Specifications: Name: Square Edge Ruler Product Weight: 20g Product Size: 2 x 3.5 x 0.03-inch Notes:1. Please allow slight dimens error due to manual measurement. Thank you for your understanding! 2. Due to different monitors and different lighting, the picture may not show the actual color of the item. Thank you for your understanding. Color: As shown Material: stainless steel Package Contents: 4 * Square Edge Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.