Broad measuring range: 0 to 320 degrees for versatile angle tasks. Versatile measurement tool: universal vernier ruler measures both inside and outside angles of a scriber or angle measurement setup. precision: accuracy up to 0.02 degrees for reliable alignment and layout. Practical and easy to use: straightforward readings with minimal setup. Compatibility: designed for universal use with common scribers and angle measurement applications thanks to the vernier ruler design. Use scenarios: Woodworking: set miter angles for frames, furniture components, and edge joints. Metal fabrication: verify bracket, fixture, and part angles during assembly. DIY projects and engineering: align components, check templates, and ensure accurate angle reproduction. Specifications: Measuring range: 0320 degrees Accuracy: 0.02 degrees