Woodworking Square Ruler - Right Angle Ruler Carpenter Square Layout Tool, Retractable Ledge, 30/40CM Multi-Angle Scribe Mark

Multipurpose design
1. Angle marking
2. centimeter marked hole - one hole per centimeter
3. Aluminum alloy handle - high carbon steel ruler body
4. With a line marking needle - Insert the line marking needle into the angle hole, and the angle between the line marking needle and the handle parallel to the desktop is the angle marked on the angle hole
5. Anti fall metal sheet - free hands, no need for hand support